Which list shows the values of the weight changes
ordered from least to greatest? Use the number line to
make comparisons.
A veterinarian tracked weight changes for five dogs a
month after they changed dog food brands.
Weight Changes
Speedy: -15 pounds
Pima: 0.2 pound
Annie: 0 pounds
Chloe: -0.8 pound
Piper:ż pound
-2
-1
0
1
2
Annie, Chloe, Pima, Piper, Speedy
Piper, Pima, Annie, Chloe, Speedy
Speedy, Chloe, Annie, Pima, Piper
Speedy, Pima, Annie, Chloe, Piper

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Carla is saving money for a trip this summer. she already has some money in her savings account and will add the same amount to her account each week. at the end of 2? weeks, carla has? $130. at the end of 8? weeks, she has? $280. write a linear function in the form y=mx+b to represent the amount of money m that carla has saved after w weeks.

Lian is deciding which of two gyms to join. each gym charges a monthly rate plus a one-time membership fee. lian correctly wrote and solved a system of linear equations by substitution to compare the costs of the memberships. in her work, she substituted an expression for one variable and solved for the other. this resulted in the equation 75 = 75. what can lian conclude? one gym charges $75 per month. each gym charges $75 per month both gyms charge the same monthly rate and the same membership fee. both gyms charge the same monthly rate, but not the same membership fee.