What is standard deviation

Round 223 to the nearest 10

15 divided by 0.25 equals?

At 93 °F, a certain insect chirps at a rate of 89 times per minute, and at 101 °F, they chirp 113 times per minute. Write an equation in slope intercept form that represents the situation. What is an equation that represents this situation?

If a triangle had side lengths 7cm 8cm and 20 cm would it be a right triangle

Write the phrase as an expression: The product of a number d and 32

Solve the system by substitution 6x+2y=26 x=6y+21

Nick and Robert timed a mouse walking 75 meters in 300 seconds. Nick says the mouse walked at a rate of 4 meters per second. Robert says the mouse walked at a rate of 0.25 meters per second.

Which is the volume of an object that is 1.5 feet high, 4 feet deep, and 2 feet long? Select one of the options below as your answer: a. 12 ft3 b. 6 ft3 c. 24 ft3

Steve packed 350 containers of mealworms for the fishing store. Of those containers, 237 hold 6 mealworms each. The rest of the containes hold 8 mealworms each. How many mealworms did he pack in all.

Crystal completed 1/3 of her homework assignment on Friday and 3/7 of her assignment on Saturday. what is the amount of her assignment that she has left to complete?