A negative times a negative equals a positive true or false

1. If cscθ=5/3 then secθ= a. 25/16 b. 5/4 c. 16/25 d. 4/5 2. Simplify the expression (cos x) (sec x) - (sin2 x) a. cos x b. cos2 x c. sec2 x 3. If θ is in Quadrant IV and sinθ=-5/4 then secθ= a. - 13/12 b. - 12/3 c. 12/13 d. 13/12

A secret code for a bank vault consists of 2 letters, then 4 digits and then 3 more letters. How many different codes are possible? How many codes are possible if repeating letters and digits is not allowed?

A citrus grower ships grapefruit in boxes of 10 How many grapefruits are in 20,400

Katherine is working two summer jobs, making $16 per hour lifeguarding and making $6 per hour walking dogs. In a given week, she can work a maximum of 15 total hours and must earn at least $160.

2 tens 1 one x 10 unit form

Evaluate - 4x+y when x=5/4 and y=1/5. Write your answer as a mixed number in simplest form. When x=5/4 and y=1/5, - 4x+y = * blank* .

The sum of four consecutive whole numbers is 54, what are the four numbers

What is the unit of analysis

What is 51.54 to the nearest whole number

Klaus recorded 1 1/3 hours of television on monday and 2 2/3 on thursday an 4 hours on friday how many hours of television did he record in all