Witch pair of angles has congruent valuse for the sin x degrees and the cos y degrees.?

a) 40 degrees; 140 degrees

b) 40 deg; 80 deg;

c) 40 deg; 50 deg;

d) 40 deg; 40 deg;

If a=1 fine the value of 2a

Solve, using the substitution method. y - 3x = 7 21 + 9x = 3y A. There is no solution. B. There are an infinite number of solutions. C. The solution is (1, 10) D. The solution is (28, 0)

In a shipment if 1,000 bulbs 1/40 of bulbs were defective. How many bulbs were Not defective

Ann spent $7.74 on oranges. If each orange costs $0.36 per pound, how many pounds of oranges did Ann buy?

Product A costs her $26.50 She decides mark the product up 30%. How will Emerson charge for product A

Judi uses 2 3/4 pounds of potatoes every week. How many pounds of potatoes does she use in 3 1/2 weeks?

Janice is asked to solve0=64x^2+16x-3 what is x

The measure of three angles of a triangle are (2x) °, (3x) ° and (x + 60) °. What is the value of x?

The length of a string in yards is a function f (n) of the length n in inches. write a function rule for this situation. a) f (n) = 36n / b) f (n) = n/12 / c) f (n) = 12n / d) f (n) = 1/36n

The total amount of a product available in a market at a given price is called the