Which expression is equivalent to 7m+9q-2mq+5m

The triangles are similar. what is the value of x? show your work.

Solve for x where 0 equation: cot^2x+2cotx+1=0

If you invest 1,500 today in a bank that gives you a 5 percent annual interest rate, which of these items can you buy in two years? a. electronics worth $1,650 b.fitness equipment worth $1,700 c.a holiday package worth $2,000