Factor the expression.
d2 + 10d + 9

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?

Using only odd number for numerators write two different subtraction problems that have a difference of 3/4

X-10/4 when x = –18 a 7 b –2 c –7 d 2