Which is NOT a true statement? a
18 is 25% of 78.
b
18 is 30% of 60
c
18 is 45% of 40
d
18 is 90% of 20

What is r i 4.5+10r=-6.5 with work pls

Point r divides in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coordinates of r to two decimal places?

Answer each of the questions for the following diagram: 1. what type of angles are these? 2. solve for x. what does x equal? 3. what is the measure of the angles?