Solve using the substitution method

8x-2y=-14

5x+y=33

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You estimate that there are 41 marbles in a jar. The actual amount is 71 marbles. Find the percent error. Round to the nearest tenth of a percent if necessary.

Colin drove 45 minutes to the air port. He arrived 90 minutes before his flight departed and then he spent 70 minutes in the air. Once he landed Colin spent 20 minutes gathering his language and the.

Find the quotient - 22s^4t-8st/2st

Rosters Chicken advertises "lite" chicken with 30% fewer calories than standard chicken. When the process for "lite" chicken breast production is in control, the average chicken breast contains 430 calories, and the standard deviation in caloric

Marna thinks that about 35% of her mail is junk mail. She gets about twice as much regular mail as junk mail. Is she correct?

Solve for c. ab + c = 5

What is the value of k in the product of powers below? 10 Superscript negative 3 Baseline times 10 times 10 Superscript k Baseline = 10 Superscript negative 3 Baseline = StartFraction 1 Over 10 cubed EndFraction

There are 15 marbles in a bag. 7 are red, the rest are a variety of colors. You want the chance of getting red to be at least 50%. How many red do you need to add?

Write 450 miles per 18 gallons as a unit rate (miles per gallon)

If 15 hats cost $120 and all the hats all cost the same amount, what is the price of each hat?