On your social studies test, you got 80% of the questions correct. There were 45 questions on the test. How many did you MISS?

What are “like terms”? why can we only add like terms?

If f(x)=2x-6 and g(x)=3x+9, find (f-g)(x)

Si la base de un triángulo isósceles mide 70 m y el ángulo opuesto a ésta mide 58°; entonces ¿cuánto mide la altura de dicho triángulo? a) 21.87 m. b) 40.01 m. c) 43.74 m. d) 63.14 m.