Bethany knits hats and scarves. a hat takes her 1.5 days, and a scarf takes her 4 days. bethany recently spent 18 days knitting 7 items. write and solve the system of equations to find the number of hats (h) and the number of scarves (s) that bethany knitted.
3hats, 4 scarves
2hats, 5 scarves
4 hats, 3 scarves
5 hats, 2 scarves

The numbers on a football field indicate 10 yard increments. you walk around the perimeter of a football field between the pylons. you walk a distance of 30623 yards. find the area and perimeter of the indicated regions. write your answers as mixed numbers, if necessary. a. one end zone: perimeter: yd area: yd2 b. the playing field (not including end zones): perimeter: yd area: yd2 c. the playing field (including end zones): perimeter: yd area: yd2

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 .

If a=0.333333 and b=0.55555, what is the value of a+b