Is 5/7 a rational number

You decreased the amount of $80.00 by $16.00. What percent of the original amount is the new amount?

How do you simplify 5a-3b-4a?

The average survival time after diagnosis for a certain type of cancer on the standard treatment is two years. A medical researcher is working on a new treatment.

Division: what would be the answer of 162 divided by 9?

Julia is an intern at an architecture firm. She is given an assignment to create a bell-shaped structure that is symmetrical. She writes the function f (x) = 3 squareroot - |x-2|+6 to model the structure.

Only 5% of children experience headaches. If 14 children at a school experience headaches, how many children total go to that school

Daren spends 39 minutes studying for his Science test. He then does 6 chores. Each chore takes him 3 minutes. How many minutes does Darren spend studying and doing chores?

Adante begins to evaluate the expression 3 and one-third times 5 and one-fourth using the steps below.

Joe buys a 4 1/2 pound bag of dog food every 4 weeks, joe feeds his song the same amount each day. What is the number of pounds the dog eats each year?

What is 6.78 and 8.21 rounded to tenth nearest tenth