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Find the reciprocal or multiplicative inverse of these numbers:

4

1/13

Divide:

-42 Divided by - 6

-168 Divided by 7

7/8 Divided by (-7/8)

Marty is three years younger than six times his friend wants age. The sum of their ages is greater than 11. What is the youngest age warren can be

The distance between the manufacturing plant and Jessie's home is 4 miles. It takes Jessie 40 minutes to walk that distance. Write an equation with multiplication to find t, the time Jessie takes to cover one mile.

Maree is 8 years older than Aaron. Aaron is twice as old as Rick. All their ages add up to 28. What are their ages? Maree is Aaron is Rick is

Find variable values for two variables in an equation

What is the suface area of a hemisphere with a diameter of 14

Suppose ΔXYZ is given, and you want to construct ΔABC so that the triangles are congruent. Which constructions would guarantee that ΔXYZ ≅ ΔABC? Check all that apply.

What property is = x+2-2

A hair dye is made by blending 7% hydrogen peroxide solution and a 4% hydrogen peroxide solution. How many milliliter of each are used to make a 300 mL solution that is 5% hydrogen peroxide?

Explain why a change from 20 to 40 is a 100% increase, but a change from 40 to 20 is a 50% decrease. Increasing 20 to 40 is the same as increasing 20 by c. So, it is a 100% increase. Decreasing 40 to 20 is the same as decreasing 40 by one-half of c.

A train is traveling 3100 miles from New York to California at an average speed of 55 miles per hour after t miles the distance remaining is less than 1200 miles write an inequality to represent the situation