How to multiply x and y with only addition and subtraction?

What is avogadro's number equal to? a. 6.02 x 1023 b. 8.02 x 1023 c. 60.02 x 1023 d. 62.02 x 1023

Use the linear combination method to solve the system. {5x+y=2 {4x+y=4 What is the solution? (-2, 12) (1, - 8) (0, 2) (-3, 17)

To be considered similar, two polygons must have corresponding angles that are equal. true or false

Solve for x. 8x-13=2x+3

Alexa and rosa read books that have the same number of pages. alexa book is divided into 8 equal chapters. rosa book is divided into 6 equal chapters. each girl has read 3 chapters of her book.

Jan bought 6 cookies and 4 doughnuts for 3.50. Tom bought 12 cookies and 5 doughnuts got 5.23. Write and solve a system of equations to find the cost of one cookie

If 4/3x - 1/2 = 0 then x=

All of the students in Ms. Osbourne's class like pizza. Jeff is a student who likes pizza. Therefore, Jeff is a student in Ms. Osbourne's class.

Willie sold 72 fishing lures to the Bait Shop this month. He sold 4 times as many lures to the Bait Shop as to his friends. Let f represent the number of lures he sold to his friends.

How many solutions will there be to the following equation?16x^2=100