28. multiply 12 by 5 =-60
29. divide 39 by 3 = 13
30.divide 15 by 4 = 3.75
31. multiply 2 by 10 = -20
Her brother joe made $52.08. First you need to make the percent into a decimal, like this 86% => .86. Then multiply .86 to $28. After that add what you got to $28.
Answer:
composite number
Step-by-step explanation:
The answer is -6
Because when x = -2, y = -6 on the graph
Well to find the area of a triangle is 1/2 base times height
