45. A fundraising group sells d spaghetti dinners at a fundraiser. Each spaghetti dinner costs $8.
Which expression can be used to calculate the amount of money
collected at the fundraiser?
D100
d. 8
С
d - 8
0 d + 8
VE THIS SHEET

Need on this geometry question. explain how you did it.

You are standing next to a really big circular lake. you want to measure the diameter of the lake, but you don't want to have to swim across with a measuring tape! you decide to walk around the perimeter of the lake and measure its circumference, and find that it's 400\pi\text{ m}400? m. what is the diameter dd of the lake?

Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7