Natalie budgets $146 for yoga training. She buys a yoga mat for $10 and spends at least $9 per day on yoga classes. Which inequality represents the number of days, d, on which Natalie can take classes?
A 146 s 3d + 10
B. 146 9d+10
C146 s 10d + 9
D. 146 100+ 9

Sherina wrote and solved the equation. x-56=230 x-56-56=230-56 x=174 what was sherina’s error? sherina’s work is correct. sherina only needed to subtract 56 from 230. sherina made a subtraction error when subtracting 56 from 230. sherina should have added 56 to both sides of the equation.

Iq scores for adults age 20 to 34 years are normally distributed according to n(120, 20). in what range does the middle 68% of people in this group score on the test?

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3