PLEASE HELP PLSSS

One morning, the temperature was 3 degrees below zero. By noon, the temperature rose 15 degrees and then dropped 7 degrees by evening. What was the evening temperature?

A. 12 above zero
B. 18 above zero
C. 8 below zero
D. 5 below zero

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?

A. use the formula for continuous compounding with the original example: $1000 invested at 2% for 1 year. record the amount to 5 decimal places. use a calculator. b. compare it to the result using the original compound interest formula with n = 365 calculated to 5 decimal places. which has a larger value? explain.

Michelle is planting flowers in her garden. she wants the ratio of daises to carnations to be 3 to 2. michelle wants to plant a total of 35 flowers. how many daises should she plant?