13. Simplify 4 + (-3) - 2 * (-6)

A. - 10

B. - 11

C. 13

D. 12

If one letter is chosen at random from the word combed, what is the probability that the letter chosen will be a "d"? Fraction: Decimal: Percentage: Likelihood of the event happening:

How to find a unit rate 305 rotation in 5 minutes

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Philip is at the store where there is a big sign telling him that there is a 8.99 discount on a shirt that originally costs 44.95. But how big is the discount in percent?

A car travels 450 miles in the same time that a motorcycle travels 390 miles. if the car's speed is 10 miles per hour more than the motorcycle's, find the speed of the car and the speed of the motorcycle. the speed of the motorcycle is ___ mph.

How many gallons in a 100 lb propane tank?

What is the quatient of (*3+6*2+11*+6) : (*2+4*+3

What is the approximate area of the window that needs to be covered, including the frame? 2 ft2 7 ft2 11.2 ft2 22.5 ft2

A committee consisting of 3 faculty members and 4 students is to be formed. Every committee position has the same duties and voting rights. There are 12 faculty members ans 13 students eligible to swrve on the committee.