Answer + ! lucia finds that (3x^2 + 3x + 5) + (7x^2 - 9x + 8) = 10x^2 - 12x + 13. what error did lucia make? a. she found the difference instead of the sum. b. she combined the terms 3x^2 and 7x^2 incorrectly. c. she combined the terms 3x and –9x incorrectly. d. she did not combine all like terms.

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

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?