How much is 6% sales tax on the bill? What is the total bill with tax added. Then how how much will the total be with 15% after tax is add

The measures of two supplementary angles are (2x + 10)° and (8x + 10)°. what is the measure of the larger angle? a. 16° b. 44° c. 14° d. 138°

At a soccer tournament 1212 teams are wearing red shirts, 66 teams are wearing blue shirts, 44 teams are wearing orange shirts, and 22 teams are wearing white shirts. for every 22 teams at the tournament, there is 1 team wearing shirts. choose 1

When a number is decreased by 9.9% the result is 40. what is the original number to the nearest tenth? super urgent