Add pairs of adjacent numbers and write their sums in the box above them. What number is at the top of the pyramid?

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

The nth term of a sequence in 2n-1 the nth term of a different sequence is 3n+1 work out 3 numbers that are in bothe sequences and are between 20 and 40

What is the slope of the line? a. -5/2 b.2/5 c. 5/2 d.7/2