If x is a rational number and y is the opposite of x, why do x y have the same absolute value?

The first side of a triangle is 8m shorter than the second side. The third side is 4 times a long as the first side. The perimeter is 26m. Find the length of each side.

How do you flip y=1/50 (x-6.2) ^2+3.365 {x>3.6} {x<11.03} over the y axis

Starting at 4:20 p. m. Connie practiced piano for 90 minutes. At what time did she stop practicing?

Find the 52nd term of the arithmetic sequence -24, - 7, 10, ...

What is the area of a rectangular playground with a length of 24 feet and a width of 18 feet?

What isbthe reciprocal of 7/12

Tina and Zion earn $38 per week for delivering newspapers. Tina worked for x weeks and earned an additional total bonus of $15. Zion worked for y weeks.

The distance between the towns of Averton and Brackston is 10km. On map the distance is 5cm. What is the scale of the map in its simplest form

Fred is playing tennis. For every 2 of his serves that land in, 5 serves land out. If he hit 24 serves in, how many serves landed out?

Which shape or shapes have 4 congruent sides, two sets of parallel sides, and at least one right angle? A) square B) rhombus C) rhombus and square D) rectangle, rhombus, and square