Which expression is equivalent to - 2 - 7

-2 - (-7)

2 - 7

-2 + (-7)

2+7

Simplify 4/x-2 + 5/x+3

The body of a greater roadrunner is 16 inches long it's tail is another 8 inches the total length of a greater roadrunner is 4 times longer than a lovebird how many inches long is the lovebird

What is 6/9 in simpalistform

the number of home runs scored by teams in the Fayetteville baseball league are normally distributed and have mean of 91 and a standard deviation of 12. what percentage of the teams have scored more than 115 home runs?

If the coefficient of determination between two variables is. 81, what is the pearson correlation coefficient?

ne Given vectors u and v, find (a) 3u (b) 3u + 2v (c) v-2u. ests (a) 3u (Type your answer in terms of i and j) nten ucce

Seth spent $3.26 on a salad. How much did his salad weigh?

A licensed nurse practitioner is instructed to give a patient 1500 milligrams of an antibiotic over a period of 48 hours.

You can buy 5 pounds of grapes for $9.95. what is a proportion that gives the cost c if you buy 4 pounds of grapes

Why do you think rates are usually written as unit rates?