Elon and Rachel want to find 28.25 + 0.7. Elon says you should multiply the dividend and the divisor by 10 before dividing. Rachel says you should multiply
the dividend and the divisor by 100 before dividing. Who is correct? Explain.

btw hows your day?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.