3a to the power of 2 plus 5a minus 2
Answer:
First one...
Step-by-step explanation:
Welp I mean if you look at the numbers -12, -3 and 7 you can see how they corrspoond to the points plotted on the first number line.
Answer:
A right triangle is always 90 degrees.
Step-by-step explanation:
Answer:
20 bags should have 30 pieces in them.
Step-by-step explanation:
five out of ten is 1/2
then 1/2 of 40 is 20
therefore there should be twenty bags with 30 pices each.
REAL BUT NOT RATIONAL :
square root of 2
the golden ratio : 1.618033.....non terminating
square root of 99