A ladder leans against a building. The angle of elevation of the ladder is 70. The top of the ladder is 25ft from the ground. To the nearest tenth of a foot, how long is the ladder?

A. 7.7ft

B. 24.7 ft

C. 8.6 ft

D. 51 ft

Simplify 3w-3 (-4z+5w) + 4z

What should replace x in the equation + 2 = 7?

What is the greatest common factor of 20x6y+40x4y2-10x5y5?

How many dollars is 52 thousand pennies?

What is the measurement 345.067 mg rounded to four significant digits? A. 345.0 mg B. 345.1 mg C. 345.06 mg D. 345.07 mg

The actual distance between two villages is 120 kilometers. On a map of the area, 0.5 centimeter represents 2 kilometers. What is the distance between the villages on the map?

You buy 5 tickets to a concert for you and your friends. You pay $170, including a $20 service charge. How much does one ticket cost?

What is 1.2 % of 0.5?

Jeff can win the game if he rolls 11 on the two number cubes. If he rolls an even sum, however, he will lose his next turn. What is the probability that he will win the game? What is the probability that he will lose his next turn?

Suppose 60 cars start at a car race. in how many ways can the top 3 cars finish the race?