Describe a general method for deciding which variable to eliminate when using linear combinations.

can all systems be solved by linear combinations? Explain

Five years ago, benjamin invested in parchar special effects. he purchased four par value $1,000 bonds from parchar special effects at a market rate of 96.230. each bond had an interest rate of 7.2%.

Write the fraction in simples form 70/126

When making financial decisions, it is important that you critically evaluate the source. True False

Ana walked 13/3 miles write 13/3 as a mixed numder

2/7 (*-2) = 4 * solve for x

Describe and correct the error in writing 39/40 as a percent 39/40 = 0.975 = 9.75/100=9.75%

If a figure is a square then it is a regular quadrilateral is this true or false

A Product What is the product of 4.01 x 10-5 and 2.56 x108?

Gina sold 5/8 of a mushroom pizza and 3/4 of an onion pizza to the same family. How much pizza in all did the family buy?

Find the area under the standard normal curve to the left of z = 0.49 and to the right of z = 2.05. Round your answer to four decimal places, if necessary.