One bar of candy a and two bars of candy b have 778 calories. two bars of candy a and one bar of candy b contain 785 calories. find the caloric content of each candy bar

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

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

The price of an item has been reduced by 30%. the original price was $30. what is the price of the item now ?