809:62 check for reasonableness

What's the dimension of the patio if it has the area of 225 m²

present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?

Find the sum of (x² + 6x - 5) + (2x2 + 15).

Astronauts use a tool in space that weigh 5 ounces on Earth. How many grams does the tool weigh? Round your answer to the nearest hundredth.

If 1/a + 1/b = 1/c and ab=c, what is the average of a and b?

N a concert band, the probability that a member is in the brass section is 0.50. The probability that a member plays trombone, given that he or she is in the brass section, is 0.36.

Show it four ways 15+18=33

Find the value of 5.2^2

You draw two cards from a standard deck of 52 cards. What is the probability of drawing a club and then a diamond consecutively from the deck without replacement?

Find the lowest common denominator of 3/x3y and 7/xy4