Which ratios are equivalent to 7:15 21:45 14:45 3:5 63:135

A car has 60 liters of gas in the tank. After a long journey 22% of the gas is left. The driver puts another 30 liters into the tank and uses 25% of gas over the following day. How much gas is in the tank?

X : Y = 5 : 1 Write the equation as a function of X

A hacker is trying to guess someone's password. The hacker knows (somehow) that the password is 5 digits long, and that each digit could be a number between 0 and 4. Assume that the hacker makes random guesses.

Ella spends 55 minutes taking care of her dog. She walks the dog and then spends 20 minutes grooming him. Which equation could you use to find t, time Ella sends walking her dog?

The function h = - t 2 + 95 models the path of a ball thrown by a boy where h represents height, in feet, and t represents the time, in seconds, that the ball is in the air.

Two researchers conducted a study in which two groups of students were asked to answer 42 trivia questions from a board game.

At the high school band's annual spaghetti dinner, the members served 210 dinners and collected $935. The band leader did not designate which ticket was an adult or child dinner.

If 2.5 litres of petrol cost 180, how much petrol will cost 1728

Solve for x. -6 = 3/8x A) - 9 B) - 12 C) - 16 D) - 24

If your dog eats 7/8 lb of food in 4 meals, how many meals will take your dog to eat 1 lb of food