Need asap use the figure below to find ac. select one: a. 40 b. 50 c. 20 d. 16

The data in the table represent the height of an object over time. which model best represents the data? height of an object time (seconds) height (feet) 05 1 50 2 70 3 48 quadratic, because the height of the object increases or decreases with a multiplicative rate of change quadratic, because the height increases and then decreases exponential, because the height of the object increases or decreases with a multiplicative rate of change exponential, because the height increases and then decreases

Convert the mixed numbers into improper fractions. convert the improper fraction to mixed numbers.

3x + 4y = 5 x- 3y = -7 solve by substitution