Answer:
y = 7x / 9
Step-by-step explanation:
Answer:
34
Step-by-step explanation:
Answer:
45
Step-by-step explanation:
Answer:
a rational expression is an expression that has a RATIO in it
look at the word "RATIO"nal
a ratio is just a fraction...
so your question is "how to simplify fractions"
lots of approaches, this is one of them...
PRIME FACTOR the numerator and denominator

90 = 2 * 3 * 3 * 5
135 = 3 * 3 * 3 * 5
= 2/3 (the two 3's cancel and the 5's cancel)
Step-by-step explanation:
It's (1 ; -3). If the symmetry is on the y-axis, change the coordinate on the x-axis. You can draw it to verify.