Melissa paid for her lunch with a twenty-dollar bill and received $5.43 back for her change. How much was Melissa's lunch?

A) $14.57

B) $15.43

C) $15.67

D) $25.43

1) What is the area of a sector with a central angle of 5π/7 radians and a diameter of 5.6 in.? Use 3.14 for π and round your final answer to the nearest hundredth. Enter your answer as a decimal in the box.

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A magician shoed a magic trick where he picked one card from a stacked deck. Determine what probability is that the card will be a queen card

Simplify the polynomial: 2[4x-5 (2x-1) ]

Victors wants to buy fertilizer for his yard. The yard mesures 50 feet by 60 feet. The directions on the bag of fertilizer say that one bag will cover 1,220 sq feet.

28,062 divided by 3

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Add. Question 4 3/8x^3 + 7/2x

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Find the ratio a:b, if it is given that ... 5a+3b=6b