5. Select all the ratios that are equivalent to each other. A4:7
B. 8: 15
C. 16 : 28
D. 2:3
E. 20:35

On saturday morning, calls arrive at ticketmaster at a rate of 108 calls per hour. what is the probability of fewer than three calls in a randomly chosen minute?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

The average daily maximum temperature for laura’s hometown can be modeled by the function f(x)=4.5sin(πx/6)+11.8 , where f(x) is the temperature in °c and x is the month. x = 0 corresponds to january.what is the average daily maximum temperature in may? round to the nearest tenth of a degree if needed.use 3.14 for π .