If f(x) = 8x + 7 and g(x) = Square root x+ 2,
what is (fºg)(2)?

H(x)=4x2-5x h(-3) what is the answer?

Li buys supplies so he can make and sell key chains. he begins to make a profit only after he sells 4 key chains. what point on the graph makes the most sense in this situation?

He mass of a single atom of carbon can be found by dividing the atomic mass (12.01 g) by 6.022 x 10^23. which is the mass of a single carbon atom, correctly written in scientific notation with the correct number of significant figures?