How to do doubles plus one and double minus one

Andre's band is made up of 6 members. Thete are 3 guitar players, 1 drummer, and 2 singers. What id the ratio od drummers to singers? A. 1/3 B. 3/1 C. 1/2 D. 2/1

What is V's value v+17-11=65

4. Find the value of k, if x = 2, y=1 is a solution of the equation 2x + 3y=k.

An experimenter has prepared a drug dosage level that she claims will induce sleep for 80% of people suffering from insomnia. After examining the dosage, we feel that her claims regarding the effectiveness of the dosage are inflated.

This week laptops are 25% off. If a laptop cost $340 what is it's sale price?

Simplify, following the order of operations: 5 102 - 3 * (12 - 8) a. 45 b. 93 c. 213 d. 61

Laura spent a total of 18 minutes making 6 bracelets. Each bracelet took the same amount of time. How many minutes did Laura spend on each bracelet?

Is 20x2-25x-105 factored to 4x2-5x-21?

What does P equal - 3 (2+4p) = 2 (2p-1)

Museum calculate group rates using equation c=4p+8. the cost was 60.00