Evaluate 2a-5b-3a for a=-2 and b=5

a. - 23

b. 27

c.-35

d-15

A stockbroker earns a commission by a flat fee for each transaction as well as a fee per share. On a particular transaction, the stockbroker sold 5,000 shares to a client at a rate of $0.01 per share. The cost of the transaction totaled $57.50.

Will 5 1/5 x 2/5 be larger or smaller than 5 1/5

What is the final amount if 1930 is increased by 5% followed by a further 15% increase? Give your answer rounded to 2 DP.

What is the product of (-3/4) (-4/7) (-2/3)

If 1 ounce=28.35 grams, how many grams are in one pound?

If (4 to the 4 power) to the x power = 4 to the 32 power, what is the value of x?

1. What is the square root of 3 as a decimal? 2. What is the square root of 2 as a decimal?

The football fields at three different schools were measured, and it was found that their perimeters were 320 m, 360 m, and 400 m.

Where is 7/2 on the number line

How many extraneous solutions does the equation below have? (2m) / (2m+3) - (2m) / (2m-3) = 1 0 1 2 3