Find a ⋅ b. a = 4i - 4j, b = 4i + 5j
-4
< 8, 1>
< 16, -20>
-36

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

An investment decreases in value by 30% in the first year and decreases by 40% in the second year. what is the percent decrease in percentage in the investment after two years

Find the percent cost of the total spent on each equipment $36, fees $158, transportation $59 a. 14%, 62%, 23% b. 15%, 60%, 35% c. 10%, 70%, 20% d. 11%, 62%, 27%