8
Find
d 7x + 10)7
dx 5x2 + 81 – x+5)
d (7x + 10)
dx 5x2 + 8( - x + 5)

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?

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