Two points x and y are such that the angle of elevation of y from x is 40 degree. What is the angle of drpression of point x from point y?​

15

step-by-step explanation:

d. millimeters per hour.

step-by-step explanation:

we are given that,

carlo used a rain gauge to measure the amount of water his lawn is receiving from the sprinklers.

since, according to the options, we see that,

water cannot be measured by 'miles per hour', 'meters per second' and 'grams per seconds'.

we get that, the water can be measured by 'millimeters per hour'.

hence, the appropriate rate for describing the amount of water is 'millimeters per hour'.

hiking down a winding trail.

step-by-step explanation:

yes

step-by-step explanation:

they have to be opposite and reciprocal of eachother.