I've been looking at answers for 3a+1=-3.6a (a-1) and everyone is calling a minus 1 atimes 1. why?

Select the correct answer. What is the solution set of x2 + y2 = 26 and x - y = 6? { (5, - 1), (-5, 1) } { (1, 5), (5, 1) } { (-1, 5), (1, - 5) } { (5, - 1), (1, - 5) }

A kite was broken into two triangles. The area of each triangle is The total area of the kite is 280m 140m 70m 27m

The superintendent of a school district wanted to predict the percentage of students passing a sixth-grade proficiency test.

If the perimeter of a rectangle is 10 times the width of the rectangle, then the length of the rectangle is how many times the width?

8. The product of a number and 4 is less than or equal to 36.

Name the property used to make the conclusion. If x=y and y=4, then x=4.

Find tje prime factorazation 79

What is equal to 20/40?

The figure below shows a rectangle with a diagonal drawn. Which equation shows the trigonometric relationship between complementary angles? sin (t) = sin (u) sin (s) = cos (u) cosis) = sin (v) cos (t) = cos (v)

The radius of a car wheel is 12 inches. How far will the car travel and 15 revolutions of the wheel?