An orchard has 28 apple trees and 12 pear trees. Select all the expressions that show the ratio of apple trees to pear trees. A.7/3
B.3:7
C.28:12
D.7 to 3
E.12 to 28

Scott harris can invest $7,000 in a 1-year cd that earns interest at an annual rate of 4 percent compounded monthly. the amount per $1.00 is 1.040742. he can also invest $7,000 in a 1-year cd at annual rate of 4 percent compounded quarterly. the amount per $1.00 is 1.040604. what is the difference in the amount of interest earned for each investment? a) $0.96 b) $0.81 c) $0.87 d) $0.88

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?

Another type of subtraction equation is 16-b=7. explain how you would sole this equation then solve it.