4out of 7 horses are going to march in a parade. which expression can be used to calculate the number of permutations of horses

If w = 6 units, x = 3 units, and y = 5 units, what is the surface area of the figure? 168 units2 240 units2 144 units2 96 units2

The function show two sisters' savings account and the rate at which they plan to deposit money

When you have 25 numbers, and jake picks 3 random numbers and puts them back, what is the chance bob has of picking those 3 numbers when he picks 6 random numbers (without putting them back)? explain.