Harry collects data from a random sample of seventh-graders. Out of 25 respondents, 10 ride the bus to school. Of the 150 seventh-graders who attend Harry's school, how many would be expected to ride the bus to school?

Aheated piece of metal cools according to the function c(x) = (.5)x ? 7, where x is measured in hours. a device is added that aids in cooling according to the function h(x) = ? x ? 2. what will be the temperature of the metal after two hours?

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3

If you could answer these your a life saver