Iam a multiple of 70. i am between 500 and 1000. my tens digit i'd odd. what could it be?

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 of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

What is the solution of the equation? 35√(x+2)3+3=27