There are 25 people in a classroom. Each person shakes each other person's hand once

and only once. How many handshakes were there altogether?

If carpet costs $12 per square yard. How much will it cost to carpet a room that is 180 square feet?

Find the area and perimeter 32 20 25

Which of the following best describes the total area of the exterior surface of a solid figure? A. Slant height B. Lateral area C. Base area D. Surface area

What is not preserved under dilation? Select all that apply. A Angle measure B Betweenness C Collinearity D Distance E Proportionality

A system of equations has no solution. If y = 8x + 7 is one of the equations, which could be O 2y = 16x + 14 O y = 8x - 7 O y=-8x + 7 O 2y = - 16x - 14

Carlotta rolls a number cube with faces Isabeled 1-6. Tell whether each statement is True or False.

What is 2.35 • 2/3 = ?

Graph - 3/4 passing through (1,4)

Diagonals of a rhombus are 24cm and 10cm, find the side of the rhombus

How long a ladder must you have to reach the top of a 15-foot wall if the bottom of the ladder is placed 4 feet from the base of the wall? Round to the nearest tenth of afoot. 14.5 ft 15.5 ft 17.0 ft 19.0 ft