45 points

which expression is equivalent to 36÷3+3 ?

a) 2^2÷3⋅3

b) 3⋅2^2÷3

c)2^2+3⋅3

d)3⋅2^2+3

An object moves according to the law s = t2 + 5t - 8. what is the average rate of change of s with respect to t in the interval t to (t + △ t)? a. 2t + 5b. 2t + 6c. 2t + (△t)2 + 5△td. 2t + △t + 5