Which element is always present in a combustion reaction?

A. nitrogen

B. hydrogen

C. oxygen

D. carbon

Mikel carried the ball 4 1/2 yards. Fred carried the ball twice as far. How far did Fred carry the ball?

A trunk measures 48 inches long, 22 and a half feet wide, and 32 inches high. How is the volume of the box?

What type of sampling is this: Group the students in a local college by year and then randomly select 15 students from each group

Line ab contains A (-2,3) and B (4,5) AB has a slope that

Igor and sally both ran the same distance. Igor completed the distance in 2 hours. His average speed was 6 miles per hour. Sally completed the distance in 4 hours. What was Sally's average speed for the journey give your answer in mph

What property comes first in 2 (x+4) = 6

Which expression is equivalent to the equation below? (M+3) / (m^2

3. A car dealer has 395 cars on the lot. Of these cars, about 15% are red. Which is the best estimate of the number of red cars on the lot? A. B. C. D. 40 60 70 80

Hamburgers cost three dollars and hotdogs cost two dollars the total cost of buying be burgers and D hotdogs can be expressed by C equals 3B plus 2-D how can this equation be solved for D A) d = C-3b/2 B) d = C - 3/2b C) d = B - 3C/2 D) d = C-b

Find the quotient 5 divided by 7/8