Sampson gets 12 hits for 15 times at bat. What percent of the time does sampson gets a hit?

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

Atown has a population of 17000 and grows at 2.5% every year. to the nearest year, how long will it be until the population will reach 19600?