Justin's birthday party costs $8, plus an additional $1 for each guest he invites. How many guests can there be, at most , if Justin can afford to spend a total of $43 on his birthday party?

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?

What is the value of x? enter your answer in the box. x =

87.5% , 100% , 83.33 , 93.33% , 100% , 82.5% are all the academic points i've gotten this quarter. what's my final grade?