Which expression is equivalent to 3 (5 + 4) ?

15 + 12

15 + 4

8 + 7

8 + 4

The scale on a map of the United state is 1 cm = 40mi if the distance between albany, N. Y. and Chicago Il on the map is 21 cm what is the actual distance between the cites

Eric is hanging a rectangle mirror that has a diagonal of 50 inches with an angle depression of 60 degrees. How many square inches is the mirror. (Round to the nearest degree)

If jake has 3 boxes and he put 7 toys in it what does that mean

What do two plus two equal

Which expressions are equivalent to - f-5 (2f-3)

A cone has a height of 2.5 in. and a radius of 5 in. What is the volume of the cone? (Use 3.14 for pi. Round the answer to two decimal places.) 32.71 in3 65.42 in3 196.25 in3 588.75 in3

This is how we know were in a pandemic. When the BMX bike company starts selling toilet paper for $7.

If p, q are zeroes of polynomial f (x) = 2x^2-7x+3, find the value of p^2+q^2

Suppose $x$,$y$, and $z$ form a geometric sequence. if you know that $x+y+z=18$ and $x^2+y^2+z^2=612$, find the value of $y$.

A manager checked production records and found that a worker produced 160 units while working 40 hours. In the previous week, the same worker produced 138 units while working 36 hours.