The Science Club went on a two-day field trip. The first day the members paid $40 for transportation plus $11 per ticket to the planetarium. The second day they paid $90 for transportation plus $8 per ticket to the geology museum. Write an expression to represent the total cost in dollars for two days for the n members of the club.

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

What are the solutions of the following system? y=-2x^2 y=x-2

What is 140 squared pleas me i am dumb