Evaluate r2h for = 3.14, r = 1 and h = 2

Multiply 16.852 * 0.86

Multiply. 3√2⋅2√8⋅√3⋅√6 explanation would be lit

Find all complex solutions of x^2+5x+13=0

Is 17 1/2 to the right or left of 17 2/3 on the number line? Explain your answer.

Robby scored 4 goals in his soccer game his team scored 9 goals in the team robby friend scored 2 goals how mony goals did the rest of the team scored

Albert is organizing an end of term party. The cost of renting a hall for an evening is $100. The cost of food is $8 per person.

Maria solved the equation - 5 x 7/8n = - 12 x 1/4. Her answer was n = 2 x 4/47. She is fairly confident about her answer, but wants to do a quick check of her solution using estimation.

Mrs. Hernandez bought 18 pens for her class. Highlighters cost $3 each, and gel pens cost$2.50 each. She spent a total of $50. Write and graph a system of equations to find the number of highlighters and gel pens Mrs. Hernandez bought.

What is the solution of the equation 4x + 1 = 21? Round your answer to the nearest ten-thousandth.

612x87 show ur work and if you don't then don't answer