Let ∠X and ∠Y be complementary. If sin (X) = 3/5

and cos (X) = 4/5. then what is the value of sin (Y) ?

A) 3/5

B) 4/5

C) 5/4

D) 5/3

Solve the system of the following equations: x+3y=-1 2x+2y=6 (-4,1) (2,-1) (4,-1) (5,-2)

Which statement is not true? A. The sum of a rational number and an irrational number is irrational. B. The sum of two rational numbers is rational. C. The product of two irrational numbers is irrational. D.

Nya's gross weekly pay is $1440. To maintain her current lifestyle, how much should she save up by the time she retires? A.$748,800 B.$829,440 C.$973,440 D.$1,440,000

A cone and a triangular pyramid have a height of 9.3 m and their cross-sectional areas are equal at every level parallel to their respective bases. A cone and a triangular pyramid are shown. Both have a height of 9.3 meters.

What's the first 200 digits of pie?

A circular pool has a radius of 10 meters. Rounded to the nearest square meter, what is the area of the pool? A) 31 m2 B) 60 m2 C) 260 m2 D) 314 m2

12.46 the digits in the ones place and the hundredths place

In right triangle DEF, mE = 90, DE = 8, EF = 15, and FD = 17. What is the value of tan F?

1. Does the function show a direct linear variation, quadratic variation, or inverse variation? Explain. A. f (x) + 1/8 x^2 B. xy = 9 C. p (x) = x/11 2.

a tank is 1/6 full of gasoline. Of 8 litres are added it would be 1/4 full. how many litres does the tank hold