What is the quadratic formula for 5x^2+9x-7=0?

James has to fill 40 water bottles for the soccer team. Each bottle holds 500 milliliters of water. How many liters of water does James need in all? A. 20,000 liters B. 2,000 liters C. 20 liters D. 2 liters

identify the percent of change as an increase or decrease then find the percent of change round to nearest 10th of a percent 2 over 5 to 4 over 5

A coin is flipped and a six-diced die is rolled. What is the probability that the coin lands heads and the die shows four or more? (Hint: define A to be the event 'coin lands heads' and B to be the event 'die shows four or more'.

Whats 48 divided by 6?

Is y=9x+4 proportional

Kenny wants to buy gifts for all 18 of his co workers. He can buy t shirts for $10 and hats for $12. He plans on spending $200 for all 18 gifts. If Kenny wants to spend all of his money, how many of each type of gift can he buy?

What is the solution to y = 2x - 1 for the replacement set x = {1.4}?

If y varies directly with with x and y=20 when x = 2.5, what is the value of y when x = 8? (type the numerical value of x only)

If x1=4, compute the value of x2 if the mean is 1

30 people go for dinner it costs £240.93 how much should each person pay