What is the value of a?
a. 34
b. 56
c. 68
d. 146

what is the value of b?
a. 28
b. 34
c. 56
d. 112

What is the explicit formula for this sequence? -7, -4, -1, 2, a.) an = 8 + (b - 1)3 b.) an = -7 + (n - 1)3 c.) an = 3 + (n -1) (-7) d.) an = -7 + (n - )

15 there is a line that includes the point 0,10 and has a slope of 7/4. what is it’s equation in slope intercept form

I’m on question 7 it says a covered water tank is in the shape of a cylinder the tank has a 28 inch diameter and a height of 66 inches to the nearest square inch what is the surface area of the water tank