There are 10 boys and 10 girls in a classroom. 8 like to draw.
What is the probability that a student picked at random will be a girl who likes to draw?
Answer in decimal form rounded to 2 places.

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

How are algebraic expressions evaluated using substitution?