Find a bijective function f from the set of the integers to the set e of the even integers.

In a class of 25 students, 13 are taking German and 11 are taking Spanish. Four students are taking both courses. How many students are not enrolled in either course?

Find the missing x - and y-values and Pythagorean triples can be generated using the identity given. Write the triple in parentheses, without spaces between the values, with a comma between values, and in order from least to greatest.

Which of the following is a reason the human population is growing exponentially? A. Earth has many "no growth" societies. B. Earth is non-sustainable. C. Earth has little biodiversity. D. Earth is below carrying capacity

You went to a park with $50 and decided you want to rent a horse to go horse back riding. it costs $10 for the first hour and $6 each additional hour. If you want to go home with $10 in your pocket, how many hours did you go horse back riding?

the cost of renting a certain car from ace rentals is $30 for the 1st day or any part thereof, $20 for the 2nd day or any part thereof, and $15 for each additional day or any part thereof after the 2nd day.

What is the surface area of a sphere with a circumference of 50 ft? Round the answer to the nearest tenth.

The table shows the prices for games and Bella soccer league. her parents and grandmother attend a soccer game. how much theu spend if they all went together in one car?

Alita is knitting a scarf. She will make 1/8 of it using white yarn, 2/8 using green yarn, 3/8 using red yarn, and the rest of the scarf will be made with blue yarn. What fraction of the scarf will be blue? Show your work.

Solve 3x^2 - 5x - 1 = 0 by using the Quadratic Formula. If necessary, round to the nearest hundredth.

Five less than the product of - 3 and a number is - 2 Needs to be an equation