Which equation can be solved to find one of the missing side lengths in the triangle?
а
t
в
60°/
12 units
cos(60°) = 12/a
cos(60°) = 12/b
cos(60°) = b/a
cos(60°) = a/12

i think the answer is b)

step-by-step explanation:

i can't see the picture : /

15% chance.

step-by-step explanation:

3/10 times, the 5 year old will get a tablet. 5/10 times, the 13 yer old will get a tablet. multiply both fractions to get 15/100 times, both would have a tablet.