Tell what you would do to isolate the variable. 3z = 5 a. multiply 5 on both sides c. multiply 3 on both sides b. divide 5 on both sides d. divide 3 on both s

What is the size of the matrix resulting from

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities