Katie wants to buy a keyboard that costs $525 but is marked down 15% for a sale. she thinks she is only going to spend $78.75. is she correct? explain your reasoning.

She is not correct, she is going to spend $446.25 after 15%

Step-by-step explanation:

525

multiply by 0.85 (which is 1 minus 0.15)

gives you 446.25

i believe the answer is letter c) 8

step-by-step explanation:

the red lines denote the population of the bacteria after 35 hours. that would be 2,409.24. the y-intercept is the blue line which is 800 because that is the starting point. the equation used to make the graph is 800(1.032)^h, where h is the number of hours.

step-by-step explanation: