15 decreased by the product of 9 and a number is 12

A shirt originally cost $49.31, but it is on sale for $41.91. What is the percentage decrease of the price of the shirt? If necessary, round to the nearest percent.

What Is the value of the underlined digit in 5 such as 56.13

Janet hikes a trail at a local forest each day. The trail is 3.6 miles long, and she has hiked 5 days in the past week. How many miles has Janet hiked in the past week?

If n represents a number, then write an expression for the difference of three times the number after it increased by 3 and twice that number

Simplify (5t + 2) (5)

The dragon kite co. Makes red, green and blue kites. One week they made 38% red kites, 25% green kite and the rest blue kites. If they made 296 blue kites, how many kites did they make in all?

An art gallery has 8 new paintings, all the same size, but enough room on the wall for only 6 of them. How many ways can the director arrange the 8 paintings on the wall? A. 48 B. 28 C. 20,160 D. 40,320

There are 36 people in newtown hiking club. 2/3 of the club must vote yes if the club is to hike the northern trail. 20 people have voted yes. how many more yes votes are needed?

One revolution of a 40 cm diameter ball compared to a 20 centimeter diameter ball is: A. 2 times as great. B. 4 times as great. C. The same D. 1/2 times as great.

Complete the equation of the line through (2,-2) and (4,1). Use exact numbers.