Choose true or false.

Coins were developed as a medium of exchange because other items like cows, grain, and land were more difficult to move from place to place.

What shape has only 1 pair of oppositesides that are parallel

Write the equation for the following relation. Include all of your work in your final answer. / [R=/left/{ (x, y) : (4,5), / (8,7), / (12,9), / (16,11), / ... / right/}/]

A Cheetah can run 70 miles per hour. What is this speed in feet per hour? If there are 5280 feet in 1 mile.

At a constant rate 8 inches in 12 hours rate per hour?

Write a possible explicit rule for 6,9,12,15,18

Solve the equation. -10x + 1 + 7x = 37 Ox = - 15 Ox = - 12 Ox = 12 Ox = 15

Eight people are entered in a race. If there are no ties, in how many ways can the first three places come out?

An item costs $410 before tax, and the sales tax is $28.70. whats the sales rate

How many outcomes are possible if we toss a coin 10 times?

The coffee shop is having a special where 2 pounds of coffee cost four dollars. Assume that the total cost in dollars y varies directly with the number of pounds of coffee x. This can be represented by y=2x. How much will 2.5 pounds of coffee cost