What is the value of x3 + 3.4y when x = 3 and y = 4?

A: 15.85

B: 18.1

C: 27.1

D: 31.6

A rectangular note card has an area of 28 square inches. Its perimeter is 22 inches. What are the dimensions of the note card?

You are tasked with building a tower of blocks exactly 10 cm high. You have two types of block to work with. Each block A is 2 cm high, and each block B is 3 cm high.

Jen wants to enlarge a 4 inch by 6 inch photo so that the longer side will be 14 inches how long will the shorter side be

Solve for x: -4x + 8 = 42 x =

3 times the sum of a number and 4 is the same as 18 more than the number. What is the number?

1. In what country did the government debate the merit of teaching students quadratics? 2. What modern technology would not be possible without quadratics? (hint: I have one at my house.) 3. What great ideas did the Babylonians come up with? 4.

Which equation forms a pair of linear equations with 9x+12y=48 such that the system has no soulution?

What is the percent of decrease from 155,000 to 140,00

A telephone company charges $0.30 for the first 4 minutes of a call and $0.18 for each additional minute. How long can a person talk for $3

determine if these equations are true or false A. 50 tens x 4 hundreds = 40 tens x 5 hundreds B. 24 x 10 x 90 = 90 x 2400