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

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A cubic meter of water has a mass of 10 kilograms. How much water is this in grams?

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The ski mountain is a popular winter holiday vacation spot. This year the students at university and students at university both planned trips there. The students at university A rented and filled 16 vans and 8 buses and 752 students.

Suppose that 13 inches of wire costs 65 cents. At the same rate, how much (in cents) will 27 inches of wire costs.

In right ∆ABC, m B = 90°, m C = 40°, and BC = 10. What are the other two side lengths of the triangle?

To pass a math test students must answer at least 0.6 of the questions. Donald's score is 5/8, Karen's score is 0.88, Gino's score is 3/5, and Sierra's score is 4/5. How many of the students passed the test?

Yolanda's class has 40 members. The teacher will not give a test unless at least 80% of the class is in attendance. How many class members must be present in order for the teacher to give a test?

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