Alifeguard at position l spots a swimmer in trouble at one corner of the pool, s. she runs down the length of the pool to position p, and then dives in and swims a distance d from p and s.

show that the swimming distance is given by the relation d=wsecx
if l=2w, determine the range of values that x may take on, given that p can be anywhere along the length of the pool.

Which of the following is the rational exponent expression of 6 root f

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.