If mike sold half of his comic books and then bought 9. He now has 12. How many did he begin with?

The demand function for a certain make of replacement cartridges for a water purifier is given by the following equation where p is the unit price in dollars and x is the quantity demanded each week, measured in units of a thousand. p = - 0.01x2 - 0.

Use the compound interest formulas A = Pert and A = P (1 + ) to solve. Suppose that you have $11,000 to invest. Which investment yields the greater return over 10 years: 6.25% compounded continuously or 6.3% compounded semiannually? Show your work

Shanice's car is traveling 10 miles per hour slower than twice the speed of Brandon's car. She covers 93 miles in 1 hour 30 minutes. How fast is Brandon driving?

A duck flies 120 miles in two and a half hours what is its average speed in miles per hour?

Jerry left a $3. tip on a meal that cost $35. What percent of the meal's cost was the tip? What was the total cost of the meal including the tip?

Brianna was making a recipe that said the ingredients were for 6 people, but she needed to make it for 8 people. The recipe called for 2 2/3 cups of milk and 1/4 cup of oil. How many cups of these liquid ingredients did she need for 8 people?

Which ratio is not equivalent to 48/64? A. 2/3 B. 6.8 C. 12/16 D. 45/60

A scale drawing uses the scale 3 in = 20ft find the missing measure 57 in = ft

The measurement of one angle of a right triangle is 34°. What is the measurement of the third angle?

If the temperature is 20c what is it in Fahrenheit.