Answer: 6.48
Step-by-step explanation: hope it helps
3120-2130=990
Hence 990 remaining for rent
However I do believe the question may be quite unclear or not telling enough information, otherwise ^
Answer:
C: 
Step-by-step explanation:
Amplitude is changed by multiplying the entire trig function by a number, by default the amplitude is 1, so multiplying by 6 is necessary; eliminate A and B
Horizontal shift is going through the x axis, so it must be subtracted from the x value. This is only seen in choice C of the remaining answers.
Calculating the period isn't necessary because we already found the right answer but in case you need it in the future; the period is by default 2pi, to get to pi/4, it had to be 8 times smaller, so multiplying x and translations on x by 8 will get you the correct period.
Answer:
32
Step-by-step explanation:
84.50 x 18.0 = 15.21 (tip) so total bill will be 84.50 + 15.21 = $99.71