If x+y=-10 and x-y=2, what is the value of x?

A population of middle school students contains 160 sixth graders, 180 seventh graders, and 140 eighth graders. Nine seventh graders were part of a random sample of the population chosen to participate in a survey.

Simone has 16 jumps Garcia has 8 jumps how many more jumps did Simone complete than Garcia

1. If you get 6/14 on a test, what percent did you get? 2. If you get 8/15 on a test, what percent did you get?

X+2/4 = 8 solve for x

Which situation represents a multiplicative relationship? A) Kevin is 8 years older than his brother Sean. B) For every cat at the pet store, there are 2 dogs. C) A buy one get one free sale on sweaters at the clothing store.

Round 0.85 to the nearest tenth

Standard form of y=1x+3

Julio invested $2,000 in a simple interest account for 3 years. She has earned $150 interested by the end. What was the simple interest rate of the account?

Camille buys $50 worth of books at Target. She has a coupon for 10% off her entire purchase. What is the total cost of the books after the coupon is applied?

What is the value of sin (-θ) ? Let cos (-θ) = -3/5 and tanθ>0. A. - 4/5 B. 4/3 C. - 3/5 D. 4/5