D (5, 7), E (4, 3), and F (8, 2) form the vertices of a triangle. What is

m∠DEF?

A square rotated about it's center by 360 degrees maps onto itself at what different angles of rotation. You can reflect a square onto itself across how many different lines of rotation

What are the first four terms of the sequence represented by the expression n (n-1) - 4? a. - 2,2,6,10 b. - 3,0,3,6 c. - 4,-2,2,8 d. - 5,-4,-2,6 suppose you earn $10 each hour you babysit.

Determine the slope and y-intercept of each linear equation: 1) y = - 2x + 4 2) 5x + 7y = 1

Add the two expressions. 8k + 4 and 3k + 8 Enter your answer in the box.

To rent a midsize car for one day, Speedy charges a flat rate of $41 plus an additional fee of $0.10 per mile driven. Write an equation that relates the total cost of the car rental for one day, C (m), as a function of the number of miles driven, m.

Pierre has 6 wires that are each 4/5 of a meter long. What is the total of the length of wire the he has?

At a telethon, a volunteer can take 48 calls over a 4-hour shift. At this rate, how many calls can 12 volunteers take in a 4-hour shift?

The difference in elevation of a helicopter and a submarineis 18 1 / 2 meters. the elevation of the submarine is - 7 3 / 4 meters. what is the elevation of the helicopter?

The solution to complete the square x2+5=55

How do you convert feet into square yards?