The sum of twice a number and the half the number is 10?

Rectangle with length (x + 3) and width 7

Which expression is equivalent to 4^6 ⋅ 4^-8? A: 1/4^2 B: 1/4^14 C: 4^2 D: 4^14

What is 1100 - 0530 in militaries time

Suppose a company charges an annual premium of $475 for a fire insurance policy. In case of a fire claim, the company will pay out an average of $100,000. Based on actuarial studies, it determines that the probability of a fire claim in a year is 0.

At a particular music store, CDs are on sale at $12.00 for the first one purchased and $9.00 for each additional disc purchased. Maria spends $84.00 on CDs. How many CDs has Maria purchased? A. 6 B. 7. C. 8 D. 9

Argot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x2 + 1 inches, and its perimeter is 4 (2x2 + 1) inches. If x = 3.5, how much ribbon does she need?

6.4*10³+5.2*10³ how to solve this?

Mr. Boll can pick a bale of cotton by hand in 5 days. If his son joins him in the work, they can pick a bale in 3 days. How long would the son take to do the job?

Becky works 16 days each month. how many days will she work in 6 months

Which relationships hold true for the sum of the magnitudes of vectors u and v, which are perpendicular? a. ||u+v||=||u||+||v|| b. ||u+v||=sq rt (||u||^2+||v||^2) c. ||u+v||