In a chemistry class, 9 liters of a 5% silver iodide solution must be mixed with a 10% solution to get a 6% solution. how many liters of the 10% solution are needed? show your work

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Which of the following is true for the relation f(x)=2x^2+1

1. a parachutist is 800 feet above the ground when she opens her parachute. she then falls at a constant rate of 5 feet per second. select the equation that represents this situation. h = -800t + 5 y = -5x + 800 h = 5t - 800 y = 800x + 5 i need