Place grouping symbols to make the equations true

13+12-7:3*5=30

Grace is half her father joseph's age. in 10 years grace will be three-fifths joseph's age. ten years ago, grace was one third joseph's age. how old are grace and joseph now

What is 6,333 rounded to the nearest thousand

1.) How is the graph of y equals negative 2 x squared minus 5 different from the graph of y equals negative 2 x squared? 2.)

What would the monthly payments be on a loan of 3000 at 4% intrest for 1.5 years

How do you rewrite this expression 5+9

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

The reduced row echelon form of the augmented matrix of a system of equations is given. Find the solutions of the system. 1 0 0 5 18 0 1 0 4 - 5 0 0 1 0 - 9 0 0 0 0 0 Enter the solution of the system below.