Two lines that intersect to form right angles are called what?

3x-5y=10 -3x-4y=35 Find the Solution set. Solve the system using addition method?

Write 3 1/8 as a decimal.

Solve for y 3y/7 - 6 = 30

A climber started descending from 580 feet above sea level keeps going until she reaches 70 feet below sea level how many feet did she descend

At a gas station in Centerville, 19 gallons of gas cost $22.75. The same amount of gas at a station in Huntsville cost $26.30. How much more did this amount of gas cost in Huntsville than in Centerville? A) $4.65 B) $4.45 C) $3.55 D) $3.25

115 and 125 as a decimal

There is a spinner with 14 equal areas, numbered 1 through 14 if the spinner is spun one time what is the possibility that the result is a multiple of 6 or a multiple of 4

Which expression is equivalent to (73) - 2?

How do I round 15,677 to the nearest ten thousand?

What does a line with a slope of 3 and a y-intercept of 1 look like in standard form?