Sales tax is 7.5%. how much did Tammy's lunch cost before tax if the tax on it was $0.72? define a variable and write an equation. solve the equation and check your solution

6. Your savings account has a balance of $915. You withdraw $75, $36, and $20. What is your new balance? O A. $784 O B. $525 O c. $794 O D. $608 20 - 10 10 30 20 20

Which expressions are equivalent to the one below? Check all that apply. 16x A. (4 • 4) x B. 4 • 4x C. 42x D. 42 • 4x E. 4x • 4x F. 4• 42x

Ella's college professors assign homework independently from each other. Ella knows that there is a 60% chance that she will have math homework tonight and a 70% chance that she will have English homework.

3 x {[ (12-8) x 2] + [ (11 - 9) x 3]} Add Explanation

Astronomers observe a distant star. They expect the planet to orbit the star approximately 3/4 times every 19 years. About how many Earth years will it take the planet to orbit the star core once?

6,213.4 divided by 56 = ?

What is 18974627 + 647738?

For the following set of baseball runs scored at each game, identify: • The mean • The median • The mode • The range • The interquartile range 12, 16, 16, 21, 22, 25, 28 Which measure of center would the baseball team want to use to show what a

Combine like terms x^2 + x + x^2 + 1

Why is square root of 2 irrational?