A model rocket is launched directly upward at a speed of 28 meters per second from a height of 12 meters. The function f(t)= -4.9t+28t+12, models the relationship between the height of the rocket and the time after each launch, t, in seconds. When, in seconds after launch, will the rocket hit the ground?

The water has been on the stove y=9.5x+62.1 after how many minutes will the tempature be 138.1 f

In the following situation, determine whether you are asked to determine the number of permutations or combinations. then do the calculation how many ways are there to pick a starting five from a basketball team of twelve members? a. permutation; ps - 2520 b. combination; 1c, - 792 c. combination: 2cs - 2520 d. permutation; ps - 95040

Tomas is making trail mix using granola and walnuts. he can spend a total of $12 on the ingredients. he buys 3 pounds of granola that costs $2.00 per pound. the walnuts cost $6 per pound. he uses the equation to represent the total cost, where x represents the number of pounds of granola and y represents the number of pounds of walnuts. he solves the equation for y, the number of pounds of walnuts he can buy. answer- b tomas added 6 to both sides of the equation instead of subtracting 6. just took the test