Chuck drops a rock from a height of 70 m. How long will it take the rock to hit the ground? Use the formula h (t) = - 4.9t2+vᵒt+hᵒ, where vᵒ is the initial velocity and hᵒ is the initial height. Round to the nearest tenth of a second.

What is n dollars subtracted by 60%?

Line OP has an equation of a line y = 6x - 5, and line QR has an equation of a line y = 6x + 3. These two equations represent the same line lines that are neither parallel nor perpendicular parallel lines because the slopes of the lines are equal

In triangle ABC, what is the length of side b if B = 48°, C = 81°, and c = 25?

Mr. Jones spends $156 to attend a college football game. Twenty percent of his cost was for a pass for parking. He spend the remainder of his money on two tickets for the game. What is the price for each ticket?

A student's grade depends on her score on four equally-weighted exams. Her average on the first three exams is 92. What must she score on the fourth exam in order to guarantee a final average of at least 90?

Naomi has a neon tetra fish and a guinea pig. the fish is 25 millimeters long the guinea pig is 25 centimeters long. what is the difference between the length of the fish and the pig of the Guinea pig?

What is 4x-3y=8 Y=-2x-1 Solving in substitution

Pedro gets 8 hours of sleep each night. how many hours does pedro sleep in 365 (one common year) days?

Pham can work as many or as few hours as she wants at the college bookstore for $10 per hour. But due to her hectic schedule, she has just 20 hours per week that she can spend working at either the bookstore or at other potential jobs.

Mr. holms used 4/5 of a carton of orange juice. he used equal amounts of leftover juice for two servings what fraction of the whole carton of juice did he use for each serving