At 1:30 Marlon left his house to go to the beach, a distance of 6.3 miles. He rode his skateboard until 2:15, then walked the rest of the way. He arrived at the beach at 3:00. Marlon’s speed on his skateboard is 2.5 times his walking speed. Find his speed, in miles per hour, when skateboarding and when walking.

I’m really confused and need your assist me with this question i’ve never been taught

Which of the following is closest to 32.9 x 7.5? a: 232 b: 259 c: 220 d: 265

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 .