11. Describe and correct the error in evaluating the expression.

-21-7) = - 14

Completely factor the following expression t^2+4tv+4^2

Find the equivalent expression for 3+2[2p+4t]

What times 43.50 equals 435

How many times does 15 goes into 2

The distance between City A and City B is 2500 miles. On a certain wall map, this distance is represented by 5 inches. The actual distance between City C and City D is 3300 miles. How far apart are they on the same map?

Brock is training for a Crossfit competition. He began the training completing pull-ups and box jumps origanally, his training plan had him completing and box jumps at a ratio of 5:4 After two months of his training, he decided to focus on his leg

sweaters and hoodies are on sale for the same price at old navy. you buy 4 sweaters and 2 hoodies. you also buy a pair of joggers that costs $16. The total bill is $82. How much does each sweater and hoodie cost?

62 is 112% of what number? find the base and round to the nearest hundredth

The sum of two numbers is - 1. when twice the first number in four times the second number are added, it equals - 10. what are the two numbers?

You have 48 grams of a radioactive kind of xenon. If it's half life is 9 hours, how much will be left after 18 hours?