Light travels at a speed of 3.0 times 10 to the 8th power m/s. how many seconds does it take to get to earth if earth is 3.99 times 10 to the 16th power meters away?

Solve the given system of equations. 2y= -x+9 , 3x-6= -15

Clarence wants to buy a new car. he finds an ad for a car that costs 27,200 dollars. suppose his local sales tax is 7%. -how much would he have to pay? -what is the cost of the car including tax? -if clarence has 29,864 saved, can he pay cash to buy the car?

Solve 2 - 3 cos x = 5 + 3 cos x for 0° ≤ x ≤ 180° a. 150° b. 30° c. 60° d. 120°