Select the correct answer.

What is the expanded equivalent of cos (a - b) ?

A

sin a cos b-cos a sin b

O

O

B.

sin a cos b + cos a sin b

O

C.

cos a cos b - sin a sin b

O

D.

cos a cos b + sin a sin b

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The area of the playground is one and a half times the swimming pool

Identify the domain of the function shown in the graph. 10+ 8 8+ VANA -10 - 8 -8 -8 -10

It takes Jen 1/2 hour to walk 3/4 of a mile. How many miles can she walk in 3 hours

Simplify the sum. (2u3 + 6u2 + 3) + (2u3 - 7u + 6) A. 9 - 7u + 6u2 + 4u3 B. 0u3 + 6u2 - 7u + 9 C. 0u3 - 7u2 + 6u - 9 D. 4u3 + 6u2 - 7u + 9

the school runningback, gets the ball at the 50 yard line. He gains 40 yards toward the goal line and then gets pushed back 5 yards and tackled.

Michale is traveling from San Francisco to Houston this morning. The flight will take 4 3/10 hours to complete. If the airplane travels 368.8 miles per hour, how many miles will the airplane travel? Explain

What is the correct first step to solving the equation x^2=10-3x

Y + 1 = - 7 (x+1) write an equation in slope intercept form

1+1+1+2+3+5+5+7+8+8+8+8+8+8+8+8+8•110

A cyclist rides her bike at a speed of 10 miles per hour. What is this speed in kilometers per hour? How many kilometers will the cyclist travel in 4 hours? In your computations, assume that 1 mile is equal to 1.6 kilometers.