An angle measures 81°. what is the measure of its supplement?

A jewelry maker is designing a crown. The crown must have at least 45 gems, using only emeralds, rubies, and diamonds. The number of rubies must be 1 less than 3 times the number of emeralds.

How to multiply a 2 digit number by 30

What are some number that have an absolute value greater that 2 1/2

Tammi is planing to buy a video game system for $310. Each month she doubles the amount she saves the previous month. If she saves $10 the first month, in how many months will Tammi have enough money to buy the video game system?

Babatunde has a mass of 78kg. What would Babatunde weigh on the Moon? (The gravitational field strength on the Moon is 1.6N/kg.)

The Garcia's bought a washing machine for $435 and a clothes dryer for $395 bath prices include tax to deliver these items the store charges $10 plus $2 per mile if the Garcia's live 15 miles from th store what is their total bill?

What is it? 9x+2 (x-1) + 7

Justin is going to pour milk into 4 glasses for his siblings. If he pours 2/5 pint of milk in each glass, how many pints of milk will he pour? how would I solve this question?

10 is 50% of what number?

Is your breathing rate normal? Actually, there is no standard breathing rate for humans. It can vary from as low as 4 breaths per minute to as high as 70 or 75 for a person engaged in strenuous exercise.