4. One event at a debate tournament lasted-

2 hours. Each contestant spoke for 1 of an

hour. How many contestants were there?

You are offered an item for $22.85. If the seller states he normally sells the same item for $29.95, what percentage discount is he offering you? %

Find the probability that a randomly selected card from a Euchre deck is a jack or a spade. (Enter the fraction reduced to the lowest possible fraction on the left hand side of "=

The total land area on earth is about 6*10 to the seventh power square miles. The layered of Australia is about 3*10 to the six power square miles. About how many times larger is the land on earth than land of Australia

What is 8.2 kg in pounds

40lb is what percent of 75lb

What is the absolute value of five

The weight w of an object varies inversely as the square of the distance d from the center of the earth. At sea level (3978 mi from the center of the earth), an astronaut weighs 115 lb.

What does 3 over 4 times 2 equal?

Given: A, B, C, D are rt. 's Prove: AD| |BC AB| |DC Which of the following reasons could be used to conclude that the lines are parallel based on the given information? 1) If right angles are formed, then lines are parallel.

Solve each equation. 5x2 - 55 = 90