3 + 0.45*M<=8,40. Notice the equal, because you may use all the money. Then, rearranging: M<=(8.40-3)/0.45= 12, so M<=12. Now, obviously time is positive, so you may end saying 0<=M<=12, with M=0 meaning no call! :)
I think the right answer is A
Answer:
130
Step-by-step explanation:
62.4 divided by 48 to get the 1 percent of the number, then multiply by 100 to get the number.
Answer:
A.
isosceles, right
Step-by-step explanation:
perpendicular lines means that they make 90° angle with each other and for a triangle to be isosceles it has to have 2 sides of equal length