The temperature in a room is controlled by an electronic thermostat. The temperatures vary according to the sinusoidal function: y= 6 sin[90(x − 11)] + 19, where y is the temperature (°C) and x is the time in hours past midnight. A) what are the maximum and minimum temperatures

B) at what time does the temperature first hit 13 degrees

Sis less than or equal to 75 (bottom left)

The skating rink rented 872 pairs of skates during april and may.why? : if the skating rink rented three times the pair of skates in april during may, they rented 654 skates. 218 x 3 = 654then, if they want to know how many they rented during both april and may, then you just add 654 (may) and 218 (april) to give you 872 pairs of skates for both months.654 + 218 = 872hope this !