How to work out 2/3 of 8

Consider the subtraction expression 9 + (-10) on the number line shown. Explain how you would evaluate the expression on the number line. A. Begin at 10 and move 9 units to the left B. Begin at 10 and move 9 units to the right C.

How do I solve 2x+6=7x-10

6. The Williams family just bought a new van. The cost of the van is $26,857.00. State sales tax is 6% on the cost of the van. In addition, there is $250 worth of document preparation fees that must be paid.

Mr. Blackwell company produces nuts and bolts. The total monthly profit for his company was $76378. The profit earned from nuts was $3428 more than the profit earned from the bolts.

One person can do a certain job in twenty-one minutes, and another person can do the same job in twenty-eight minutes. How many minutes will it take them to do the job together? 6 min 12 min 24 min

This is Josh's solution for the equation x^2+12x+32=0: x^2+12x+32=0 x^2+12x=-32 x^2+12x+36=-32+36 (x+6) ^2=4 x+6=4 x=-2 x+6=-4 x=-10 Is Josh's solution correct? Explain why or why not.

Frodo ran 2 2/5 miles in 7/12 of an hour. How many miles can Frodo run in one hour?

If 0.000023 is expressed in the form 2.3*10n what is the value of n

Bobby has 3 times as many model spaceships as his friend Sylvester does. Bobby has 21 spaceships. How many model spaceships does Sylvester have?

After reading and analyzing a word problem, what is the name of the letter that represents an unknown?