Determine the number of moles of compound in each of the following compounds?

4.50g H2O

471.6g Ba (OH) 2

129.68g Fe3 (PO4) 2

Matilda wants to buy some high-quality olive oil. She can buy a 2 L bottle for $50, or she can buy a 450 mL bottle for $14. In order to compare the prices, she needs to convert the volume of the second bottle to liters.

Evaluate the expression. - 4 (-2.5 - 3) =

An arts and crafts store sells sheets for stickers. Use the table to write an equation you can use to find the total cost y in dollars for x sheets of stickers

Janel's study group started 3:00. Her friends Jackson and Teagan arrive at 10 minutes after 3. Her friend Natalie arrives 45 minutes later. When did Natalie arrive? Write this time in two other ways.

Find the factorization of 72 and 100

An angle measures 42 less than its complementary angle. What is measure of each angle?

Laura sends an average of 27 text messages per month to each of f friends. Her cell phone provider charges her a flat rate of $3.50 per month and $0.04 per text message.

Find the slope-intercept form. 3x+4y=8

Tabitha has a coupon that will give her 30% off her total purchase at her favorite bath & candle store. If her total is $186, then how much money will she save by using her coupon?

What is the equation for a nonlinear function?