mary and scott collect coins. mary has four times the number of coins that scott has. together they have 240 coins. how many coins does scott have?

What can you do to a 3 to make it a 7, besides just adding 4?

The perimeter of a triangle is 145 inches. One side measures 44 inches. Another side measures 54 inches. What is the length of the remaining side? 43 47 53 57

Make a conjecture about the next item in the sequence. 1, 4, 16, 64, 256

How many ways are there to prove that two lines are parallel? Explain what they are and how they work.

If p+q+r = 1 and pq+qr+pr = - 1, and pqr = - 1, find the value of

What is the domain and range of y = - 2x + 1?

Convert the angle 180° to radians express your answer exactly

Write word phrase to represent the numerical expression below. 4 + (27-10)

Find the value of y when x=2 - x - (-2) = y

In a group of 21 students, 8 students take Art courses, 7 students take Music courses. Two students take both courses. A student is chosen randomly from this group. What is the probability that the student takes either Art or Music courses? 57