What is 56 divided by 50000

Determine the circumference of a circle with a radius of 6.8. Round your answer to the tenths place.

Which of the following equations shows "twice a number is eighteen?"

Chemists measure the acidity of an aqueous solution using pH. The pH is pH=-log-10[H^+] where pH is a measure of hydrogen ion concentration [H^+] measured in moles of hydrogen per liter of a solution. Find the pH of a solution if [H^+]=5.5x10^-12.

Expand the expression 9 (x+2) + 4 (5+x)

1,000 yards to kilometers.

3x+3=3y 2x-6y=2 (Solving Systems Of Linear Equations By Elimination)

According to a survey, 67 % of murders committed last year were cleared by arrest or exceptional means. Fifty murders committed last year are randomly selected, and the number cleared by arrest or exceptional means is recorded.

Why would this equation for finding the monthly fee be difficult to model with algebra tiles?

A restaurant has been expanding its business. Last year, it sold an average of 460 tacos a day. This year's daily sales are 160 percent of last year's. What is the daily average number of tacos the restaurant is selling this year?

Round 0.85 to the nearest tenth