19. a county government says that a safe level of chlorine in a hot tub is within 1.75 ppm of 3.25 ppm. a. write and solve an absolute value inequality to represent this situation. b. a lifeguard measures the chlorine level in the pool and finds it is 1.0 ppm. should he add more chlorine? explain.

60

step-by-step explanation:

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

10/60

step-by-step explanation:

if you divide 10 by 60 the answer is 0.166666 while if you divide or solve the other problems it equals 0.6

step-by-step explanation:

consider an orange peel: if you want to try and lay it flat, you have to stretch it, we know exactly how things are being stretched or squashed at any given point. we have many different map projections because each has different patterns of some projections can even preserve certain features of the earth without