What is the measure of BCD

Solve the system by the elimination method. 3x - 2y - 7 = 0 5x + y - 3 = 0 to eliminate y, the lcm is 2. which of the following is the resulting equations? 1.3x - 2y - 7 = 0 5x + y - 3 = 0 2.3x - 2y - 7 = 0 -10x - 2y + 6 = 0 3.3x - 2y - 7 = 0 10x + 2y - 6 = 0

Given abcd ac=38 and ae=3x+4 find the value of x

The holiday party will cost $160 if 8 people attend. if there are 40 people who attend the party, how much will the holiday party cost