Last year, there were 400 students at albright middle school. this year, the student population will increase by 5%. what will be the school’s student population this year. A. 225
B. 20
C. 2000
D. 420

Plzzzz i beg u asap ! what is the equation of this graphed line? enter your answer in slope-intercept form in the box.

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?

Simplify using positive exponents only.