Verify the identity: (a^2+b^2) (x^2+y^2) = (ax-by) ^2 + (bx+ay) ^2

There are ten toppings available to make an ice Cream sundae. How many ways can Max choose two?

A pair of jeans cost x dollars and is subject to a 7% sales tax. Using only one step which of the following expressions could be used to font the cost of the pair of jeans in dollars?

How do you decompose the fraction 3/6

At a used book store, Valentina purchased three books for $2.65 each. If she paid with a $20 bill, how much change did she receive?

2. Let f: A → B and g: B C be functions. Prove or disprove each of the following: (a) If both f and g are one-to-one then go f is one-to-one. (b) If go f is one-to-one then f is one-to-one. (c) If go f is one-to-one then g is one-to-one.

What is the decimal 4.588 rounded to the nearest tenth

How do you write 0.74 as a fraction in simplest form?

Arrange these numbers from least to greatest: 2/5 5/7 4/9 A. 2/5 5/7 4/9 B. 2/5 4/9 5/7 C. 5/7 4/9 2/5 D. 4/9 2/5 5/7

A lady walks in the store and steals $100 bill from the register without the owners knowledge. she comes back 5 min. later and buys $70 worth of goods with the $100.00 the owner give her $30 in change. How much did the owner lose

The sum of the squares of 2 consecutive negative integers is 41. what are the numbers?