Solve the system by using elementary row operations on the equations. Follow the systematic elimination procedure.

Will give brainliest series to sigma notation write the following series in sigma notation. 6+10+14+18+22+26+30 example image shown below.

Astore has apples on sale for three dollars or 2 pounds how many pounds of apples can you buy for nine dollars if an apple is approximately 5 ounces how many apples can you buy for nine dollars

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.