Y = {2,4,6,8,10,12,14,16,18,20}

X={4,8,12,16,20,24,28,32,36,40}

Find the difference Y-X

Rewrite log3 9 = 2 in exponential form.

Two cards are drawn without replacement from a standard deck of 52 playing cards. What is the probability of choosing a spade for the second card drawn, if the first card, drawn without replacement, was a heart?

Mr. Singh made 12 equal monthly payments. What was the amount he paid each month? Show your work.

Lester drew a scale drawing of a neighborhood park. The scale of the drawing was 5 inches : 2 yards. A soccer field in the park is 64 yards wide in real life. How wide is the field in the drawing?

You have just received an inheritance of $28,000 and would like to invest it into an account. The bank offers two investment plans, one for 4 years at 5.8% compounded annually and another for 3 years at 7.083% compounded annually.

Is 6/10 equal to 4/7

What is the minimum value of P=24x + 30y given the constraints

The cylinder shown has a volume of 54π cm3. In a similar cylinder, the dimensions have been doubled. What is the ratio of the volumes (small to large) ?

A sequence is defined that the first term is 4 and each term after the first term is found by adding 4/5 to the preceding term. What is the 8th term of the sequence?

A scientist is investigating a cell. The cell has a membrane thickness of 7.*10-8 m and has a surface area of 4.*10-8. The initial concentration inside the cell is n (0) = 0.6 M, and the scientist later observes that an (0.2) = 0.77 M.