21
Step-by-step explanation:
use the aleks calculator to evaluate the expression.
tan 88 degrees
cos 21 degrees
sin 60 degrees
x=-7
step-by-step explanation:
x+3=-10
-10+3=-7
graph b
one solution- graph a (clear intercepting point.)
no solution- graph b (they're parallel, there will never be a point of interception.)
infinite solutions- graph c (all points intercept.)