143220 pencils
55 days
7 schools
124 pencils per case
143220 / 124 = 1155 total cases
1155 / 55 = 21 cases per day
21 / 7 = 3 cases per school per day
January has 31 days
31 * 3 = 93 cases were delivered each day
There is 60 seconds in a minute so...
23/60
Since we need an angle measure we have to use an inverse trig ratio, sin^-1, cos^-1, or tan^-1.
Setting up the right triangle we have the opposite and adjacent so we use tan.
tan angle = 28/32
tan^-1 (28/32) = 41 degrees
Step-by-step explanation:
Speed = Distance / Time
given distance = 6km
time = 30 minutes = 30/60 hr = 1/2hr
speed =

Able to reflect or absorb hot or cold temputures.