1. Which of the following expressions is equivalent to 12a + 3a? O a[12 + 3a)
O 30(4 + 1)
O 3(12a + a)
O a[12 + 3a)

Write the sine and cosine values of a, b, respectively, in the figure for (1) and (2) + explanation.

Given right triangle a w/a hypotenuse length of x+4 and a leg of x, and right triangle b, w/ a hypotense length of 3y and a leg length of y+4 for what values of x and y are the triangles congruent by hl?

Given the lease terms below, what monthly lease payment can you expect on this vehicle? terms: •length of lease: 60 months •msrp of the car: $28,500 •purchase value of the car after lease: $12,900 •down payment: $1900 •lease factor: 0.0005 •security deposit: $375 •aquisition fee: $300 a.$232.50 b.$279.99 c.$227.50 d.$248.08