If two lines are perpendicular what statement must be true

Rory is driving 584 miles to a family reunion. She will drive half of the distance by herself the first day. The second day, Rory and her cousin will share the driving equally. How many miles will her cousin drive? Write an equation to solve.

Mr. Jones is putting together bouquets for the annual flower sale. he bought 32 roses, 64 carnations, and 48 peonies, and wants to use all the flowers to make his arrangements.

Solve for y. 2y = 12x + 42

Find x and y intercept of y=-2x+9

Determine the discriminant of 2x2 - 3x + 1 = 0. 15 -17 1 4

A - donors to B + donors

What is the square root of 2

How many times does 1/2 go into 1 1/4

Perimeter is a square clock is 16 6/9 inches. Perimeter of a rectangular clock is 16 16/18 inches. Write an inequality comparing the two perimeters.

About 6/8 of the earth's suface is covered by water. About what fraction of earth's surface is not covered by water?