Using the rule y=3x + 4 find the value of y when x is 2
a 9
b 10
c 11
d 12

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

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?