How many solutions does this system of equations have?

exactly one

none

infinitely many

exactly two

How to do 4x to the second power

18% of what number is 0.6

4 number lines going from negative 2 to positive 2. A has an open circle at negative one-half, everything to the right is shaded. B has a closed circle at negative one-half, everything to the right is shaded.

in a 24 - hour period, Grace spends 8 hours sleeping, 8 hours at school, 2 hours at dance class, and the rest of the time with her family. what percentage of her day is used for family time?

Which expression can you simplify by combining like terms? 6d2+5cd?3dc+8 12c2?8d2c+3dc+4 7d2?3c2+6d? c 16c2+8cd+7c?8d

64 as a power of 2?

Meghan earns $ 20.00 by walking dogs she uses all of her earnings to buy a shirt for $12.85 and some stickers for $ 0.65 each how many stickers does she buy?

What is 12/20 equivalent to

The sum of 2 numbers is 5 and their difference is 2. Which of the following could the difference of their squares? (i think the numbers are 1.5 and 3.5 but idk ... a.-17 b.-3 c. 3 d. 10

object weighs 8,000 grams, how many kilograms does it weigh? A) 8 kilograms B) 80 kilograms C) 800 kilograms D) 80,000 kilograms