Write 30 : 84 as a ratio in simplest form

When seven times a number is deceased by 3, the result is 25. What is the number?

The degree of the polynomial f (x) is 3, and the degree of the polynomial g (x) is 4. Find the degree of the polynomial f (x) + g (x).

You estimate that 200 people attended a school concert. The actual attendance was 240 people.

A certain virus infects one in every 300 people. A test used to detect the virus in a person is positive 70% of the time when the person has the virus and 15% of the time when the person does not have the virus.

Find the product. d j · d k

Make a real world problem with - 3.5<-1.5

An outdoor spa (hot tub) draws 1487 watts to keep the water warm. If the utility company charges $0.13 per kilowatt-hour, how much does it cost to operate the spa for four months during the winter (24 hours per day) ? Assume each month has 30 days.

Rachel has $18.20 deducted from her paycheck every month for insurance. After 6.25 months, how much money has been deducted from Rachel's checks? O - $11.38 CO - $18.20 -$113.75 -$1,137.5

What is the approximate area, in square feet, of a circle with a diameter of 6 feet?

Daniel has 6 teaspoons of salt. The ratio of teaspoons to tablespoons is 3:1. How many tablespoons of salt does Daniel have?