What is the reference angle for 7pi/2

Todd knows the ratio of boys in his class is 3:5. Since 12 of the students are boys he says there must be 36 students in his class. Is he right?

What is 1/2m inches in feet as and indicated expression

73 is 10 less than my number

Abdel earns $9.40 per hour working at an animal shelter. how much money will she earn for 18 1/2 hours of work? in 7 different ways

A gourmet pizza cafe sells three sizes of pizzas. If you buy all three sizes, it costs $46.24. A medium pizza costs $15.75 and large pizza costs $17.50. How much does the small pizza cost?

Morgan found a stone arrowhead. He measured it three times. He measured it as 2 inches to the nearest inch, to the nearest 1/2 inch, and to the nearest 1/4 inch. How can this be? Explain

1. two thirds of the track team ran las after practice. One fourth of the team worked out in the weight room. What fraction more of the team ran laps than worked out in the weight room. 2. Eustence used 1/2 of his allowance to buy CDs.

jessica put 4 tables together for the Pie day sale. Each table is 42 inches long. What is the total length of the tables expressed in feet and inches

Naomi buys last year's best-selling novel, in hardcover, for $12.35. This is with a 35% discount from the original price. What was the original price of the novel?

Heather and Joel bought a house for $157,200 and know that the house appreciates every year. They keep track of their house value for 5 years and model their data with the exponential equation