Given the function f (x) = - 5x2 - x + 20, find f (3).

Solve and round to the nearest hundredth 5y+2y = -24

Cereal cost $4.20 for a 14-ounce box and Cereal B costs $3.90 for a 12-ounce Box. Which cereal is the better buy?

Carl invests $10000, partly in a secure GIC at 5% and the rest in a mutual fund that he thinks will earn 7.5%. If he expects to earn the same amount of interest in both, how much did he invest at each rate?

Which of the following estimates at a 95% confidence level most likely comes from a small sample a. 62% (+/-6%) b. 65% (+/-2%) c. 71% (+/-18%) d. 60% (+/-4%)

Find the percent change of 10 gallons to 24 gallons

A set of symbols that expresses a mathematical rule is called a

Solve the inequality - 6>-2/3

In the following random experiment, decide whether the random variable X is binomial or not: Approximately 1 in 10 people are left-handed. Let X be the number of people that are left-handed out of a random sample of 200 individuals.

Ribbon is sold by the yard. If the cost is $2.79 per yard, how much does the ribbon cost per inch?

A rental company charges a flat rate fee for $58 per day x coordinate represents of days and the y coordinate represents the total cost or one, 3, 5, 7 days