The table shows some information about the foot lengths of 40 adults. Foot length (f cm)
16 18 20 22 24
Number of adults
3
6
10
12
9

(a) Write down the modal class interval.

(b) Calculate an estimate for the mean foot length.

Please give me the answer

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Acaterer charges $500 plus $30 per guest to cater a wedding. walt and traci don't want to spend more than $8000 on catering. write and solve an inequality in terms of the number of guests, g, that can be invited. a) 30g ? 8000; g ? 267 b) 500g < 8000; g < 16 c) 500 + 30g < 8000; g < 250 d) 500 + 30g ? 8000; g ? 250