how many of the first 80 positive integers can he written as the sum of two distinct powers of 3? for example, 28=27+1=3^3+3^0 can be expressed, but 29 cannot be.

Mr. And Mrs. Storey drove 3,200 miles in all during their vacation. Mr Storey drove 3 times as many miles as Mrs. Storey. Howany miles did Mr. Storey drive? How many miles did Mrs. Storey drive?

What is (7.3 * 10^5) + 2400000

For every dollar Ben spent on bagels, David spent 25 cents less. Ben paid 12.50 more than David. How much did they spend in the bagel store together?

A group of student athletes was training for an obstacle course event by practicing a variety of exercises. Their coach wanted to know if the exercises were in fact related to their time to complete the obstacle course.

A car wash charges two prices depending on the size of the vehicle

A stadium has two sponsorship deals. Deal A had revenue of $100,000 and expense of $10,000. Deal B has revenue of $50,000 and expenses of $20,000. What is the stadium's average profit as a percentage of revenue on these two deals?

Type the expression that results from the following series of steps: Start with y , times by 7, then subtract 2.

Which expression shows a way to find 2,813*7

O patrimônio que a contabilidade estuda e controla, registrando todas as ocorrências nele verificadas.

How do you solve an inequality