sound travels in waves. in dry air at 20 Celsius, sound travels about 343 meters in one second. how many meters will, sound travels in 7 seconds?

What is the perimeter of 10 ft long and 9 feet wide?

Which is a perfect square? 72 81 90 99

Solve the polynomial equation x3 + 7x2 - 16x - 112 = 0 and select the correct answer below.

Can somebody show me how to solve this problem step by step 5x=3x+10

Solve the inequality and graph solution 8 |x+3/4| <2

In a scale drawing, the width of a sofa is 15 cm. The actual width of the sofa is 150 cm. What is the scale of drawing?

Every three days Seth goes to the grocery store. His best friend Brian goes to the store every 5 days. On what day will they both go to the store on the same day

Find the area of a parallelogram with sides 6 and 12 and an angle of 60

Solve for x. - 46 x=25

Acie is filing his federal income tax return with the 1040EZ form, and he received two W-2 forms, with the federal income tax withheld on one being $3880, and the federal income tax withheld on the other being $260.