What are the roots of the equation x 2-10x+21=0

Casie jumped off of a cliff into the ocean while on vacation. Her height as a function of time is modeled by the equation h = - 16t2 + 16t + 140, where t is the time in seconds and h is the height in feet.

your fish tank is 2 feet wide, 2 feet deep, and 5 feet long. the tank is filling at a rate of 3 cubic feet per hour. after how many hours will it be 75% full?

Students are running a relay race. The race is 1/3 mile total. How far will each students run?

sam places £3850 in a bank account that pays 1.3% simple interest per year. How much interest will she earn in 6 years?

3/22 + - 1/11 Add this fraction

Suppose that 30% of flies are black, and 70% are grey. one fly is chosen at random, what is the probability that the chosen fly is grey?

Show me a step by step work and solve the problem

Can 194/100 be simplified yes it can be simplified or no it cant be simplified

A=1/2h (B+b); A=68, B=8, b=9

20 hours put into degrees?