The biggest problem when using metals (or cowry shells) for trading is what?

What does an individual's effective tax rate indicate?

If a road has a grade of 30°, this means that it's angle of elevation is 30°. If you travel 1.5 miles on this road, how much elevation have you gained in feet (5280 ft = 1 mile) ? Round to the nearest foot.

Which term can be described as an if-then statement? -conditional -fact -proof -theory

X to the 3rd power equals 343 what is x

Lily wants to make a banquet of 2 dozen flowers. She picked 5 roses, 6 daisies, and 7 tulips. How many more flowers does Lily need?

Raphael paid $ 660 for a camera during a 20 % off sale. What was the camera's regular price?

Among Drivers insured by a company, 60% are woman, 35% are at high-risk and 22% are high-risk women. The probability that the driver is either high-risk or a woman is?

Shelby earns $190 per week at her part time job and she spends $15.20 each week eating at the local fast food restaurant. What percent of her weekly income does she spend eating out? 12.5% 28.8% 8% None of these.

Mau bought a television for 330. The tax rate is 8% what is the total amount paid for the television

What happens when blue sounds like thunder, but thunder tastes like red?