A 6-foot-tall climber casts a 20-foot-long shadow at the same time that a tree casts a 90-foot-long shadow. how tall is the tree

A and B are complementary angles of right triangle ABC, COS A = 0.83, and cos B = 0.55. What is sin A + sin B?

Lucy invested $6,000 into an account that earns 6% interest co. pounded continuously. Approximately how long will it take for Lucy's investment to be valued at $25,000?

Which is an algebraic expression for the word phrase "8 less than the product of 12 and a number x"? O 12x - 8 08-123 O 12 - 8x 8x - 12

The cost of Mr. Patten's car insurance increased by 5% to $86.82 per month. What was the cost of his insurance before it increased?

how do i find the finite approximation to estimate the area using the lower sum of 4 rectangles for f (x) = 4-x^2 between x=-2 and x=2? ... ?

What are the solutions of the system? Solve by graphing. y=x^2-2x-1, y = - 2

Write the polynomial in standard form and classify it by degree and by number of terms 2x-4x^3-7

Chantelle has signed up for hockey. Her parents set a limit of 400$ for the costs for the season. It costs 250$ to sign up plus 5$ for each ice-time. What is the maximum number of ice-times that Chantelle can go to

There are 10 people on a train and they each have 2 dogs how many dogs are on the train

Evaluate the expression below when x = - 4. 4x2 - 2x * 15