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

You've saved $90 towards the cost of a gaming console. you plan to save an additional 10.50 per week. if the console coasts $300 how many weeks will you have to have to save $10.50 before you have enough money to buy the console?

Suppose you work for a large coffe distributor that has a asecret coffee blend it sells to local stores. You mix the queen city blend with the breakfast blend, but always in the same proportion.

How do you simplify 40/71

F (x) = x^2-2x-8 what is axis of symmetry, vertex and roots?

Inverse of P (m) = m/6+9

Which expressions are equivalent to - 9 0 - 6 0 w -90-60wminus, 90, minus, 60, w?

which best describes the relationship between the lines: 2x-y = 5 3x - y = 5 parallel, perpendicular neither, same line

Solve for x: 4x-8=-4

What does the phrase "interpreting the law" mean? a. create the law b. translate the law into English c. act out the law d. explain the meaning of the law

A company is expanding its building area from 12,500 square feet to 15,375 square feet. What is the percentage increase of the area of the building space? A. 77% B. 23% C. 2.3% D. 28.75%