5. as part of his math assignment. santos has to estimate the height
of a lighthouse. he decides to use what he knows about 30-60-90
triangles. santos makes the measurements shown below. about how tall is the tower?

What is the value of the expression below? 148+(-6)| + |– 35= 7|

Find the value of x. round the length to the nearest tenth

Given the system of equations presented here: 2x + 4y = 14 4x + y = 20 which of the following actions creates an equivalent system such that, when combined with the other equation, one of the variables is eliminated? multiply the second equation by â’4 to get â’16x â’ 4y = â’80 multiply the second equation by â’1 to get â’4x â’ y = â’20 multiply the first equation by 2 to get 4x + 8y = 28 multiply the first equation by â’1 to get â’2x â’ 4y = â’14