What is the value of x when the richter scale rating is 7.9

Martin finds a shirt on sale for 10% off at a department store. the original price was $20 martin must also pay 8.5% sales tax. how much is the shirt before taxes are applied?

Rosa and Ava are playing a number game. Rosa says 15. Ava replies that the answer is 6. Rosa says 11. Ava replies that the answer is 2. Rosa says 13. Ava replies that the answer is 4. Rosa says 14. Ava is thinking. What number should Ava reply with?

How to Find the domain and range for graphs

A polynomial factor has a root of - 3 with multiplicity 2, a root of 0 with multiplicity 1, a root with of 1 with multiplicity 1, and a root of 3 with multiplicity 2.

The "Let's Roll" game uses a number cube with the numbers 2,4,6,8,10, and 12. There are prizes for rolling any number less than 6. How likely is it to roll a number less than 6?

Danae is shopping for grass seed. The prices of bags from four brands are shown in the table. Brand Price Coverage A $18.99 3,000 square feet B $22.99 4,000 square feet C $31.99 5,000 square feet D $36.

In a regular deck of cards, (52 cards) what is the probability of picking a 2 of hearts?

U = vw + z, for v i need the answers how u get it

A health inspector must visit 3 of 8 restaurants on Monday. In how many ways can she pick the 3 restaurants?

Jose and a group of friends bought concert tickets for $257. The booking agency also charged a fee, bringing the total cost to $274.99. The amount of change is $17.99. What is the percent increase in the cost due to the fee?