How do I solve for c and y 72x+84y=4920

Two minutes after a diver enters the water, he descended 52 feet. After 5 minutes, he ascends 130 feet. At what rate is the scuba diver descending?

onathan wants to buy a lid for his frying pan. The diameter of the pan is 8 inches. What is the approximate circumference of a lid that will fit his frying pan? (Use 3.14 for.) A. 50.24 in B. 25.12 in C. 12.56 in D. 200.96 in

To increase or decrease an amount by 30% what single multiplier would you use?

If ab = 8 in. and cd = 6 in., how long is a radius?

What is the probability of spinning a 5 (1/8) and picking a red marble (4/9) ?

Germ theory describes true relationships between microorganisms and how people get sick. What is a difference between germ theory and scientific laws?

Y=4x+3 y=-2x-9 solve for substitution

Gary buys a 3 1/2 pound bag of cat food every three weeks. gary feeds his cat the same amount of food each day. which expression can gary use to determine the number of pounds of cat food his cat eays each year?

Adriana uses 1 1/4 cups of pretzels for every 1/2 cup of raisins when making a snack mix. What is the number of cups of pretzels Adriana uses for 1 cup?

What is a sum for 4/3.