How long will it take an emperor penguin to swim 28 miles if it is swimming 7mph.

Kx - 3y = 4 4x - 5y = 7 In the system of equations above, k is a constant and y are variables. For what value of k will che sistem of equations have no solution?

Carla bougth a sweater and kite. The sweater cost three the amount of the kite, plus $1. Carla spent $37 in all. Ho much was the kite?

Ellie has a back account balance - 43.39 if she makes a deposit of 50.00$ into her account what will her new balance be

The city has 78 buses. 33% of them are new and cause less pollution. If the city replaces 15 old buses with new ones, what percent of the buses will be new?

Harper used 1/3 cup walnuts, 1/8 cup chocolate chips. and 1/2 cup coconut in her cookie recipe. which of these ingredients did she use the most?

Alec made a scale drawing of the auditorium. He used the scale 1 inch = 2 feet. If the stage is 26 inches in the drawing, how long is the actual stage?

A farmer sells 7.7 kilograms of apples and pears at the farmer's market. 3 4 of this weight is apples, and the rest is pears. How many kilograms of pears did she sell at the farmer's market?

Which of the following constants can be added to x2 + x to form a perfect square trinomial? a. 1/9 b. 4/9 c. 4 1/9

Find the value of t. Write your answer as a decimal number. 88.65 t 88.75 on a number line?

What is the difference between a standard normal distribution and a nonstandard normal distribution? Choose the correct answer below. A.