Terminal point of 7pi/3?? PL

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

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.