How do you do mathematics

M Add. (5x3 - 3x + 12) + (4x3 + 10x2 - 2x) O

3a^2+27a+54 3n^2-15n-18 Factor each completly

If the radius of a circle is 6, what is the circumference?

A certain forest covers an area of 3100 km^2. suppose that each year this area decreases by 8.25%. what will the area be after 15 years? round to the nearest square kilometer.

It cost Mrs. Sapanaro $245 for her and 6 people to take a day-long guided of the everglades. How much does the guided tour cost per person?

What is two multiplied by two

A group of 65 baseball players were surveyed about which hand they favor for batting. The data from the survey are shown in the Venn diagram. Determine the value for each variable in the two-way table. it a=28

John skied cross country for 12 miles at 3 miles per hour. He finished skiing at 2:00 p. m. Which explanation correctly tells how to calculate what time John started skiing? A. Step 1 Divide: 12 : 4. Step 2 Add the quotient to 2:00 p. m.

How do you find the answer for 2/3x + 15 = 17

Macie anderson earns 9.75 an hour working at the local bookstore. last week she worked 17 hours. this week she worked 25 hours. what was her straight time pay for two weeks