Whats (8.5*10^3) - (5.3*10^3) in scientific notation

2 divided by 1/4 = 8 because ___times 1/4=2.

Perpendicular and angle bisector

Nate and his friends are building a skateboard ramp for an upcoming contest. The length of the ramp on the blueprint is 7.6 inches. If the scale on the blueprint is 1 inch to 4 feet, what is the actual length of the ramp? A. 15.2 feet B. 19 feet C.

Y = 2x + 1 y = 4x - 1

Choose the compound inequality that can be used to solve the original inequality |3x - 5| > 10.

A "Local" train leaves a station and runs at an average rate of 35 mph. An hour and a half later an "Express" train leaves the station and travels at an average rate of 56 mph on a parallel track.

The length of a rectangular poster is 28 inches. The area is 1316 square inches. What is the width?

Six more than the quotient of a number and 9 equals 2

The fixed expenses are what percent of mary's income?

Terrance and jesse are training for a long distance race. Terrance trains at a rate of 6 miles every half hour and jesse trains at a rate of 2 miles every 15 minutes. What is the unit rate in miles per hour for each runner?