Answer:
Sides: Scalene
Angles: Acute
Step-by-step explanation:
It's a scalene triangle because all side lengths are different.
All angles are acute because each one is less than 90 degrees.
(5-3.5)/0.15=10
Miranda able to buy writing pad and 10 pencils for the prices she planning to make a purchase.
Step-by-step explanation:
the sequence is arithmetic due to the common difference that is equal
d=11-15=7-11=-4
a(n) = a1 +(n-1)d
a1=15
Then :
a(n) = 15+(n-1)-4
hope this helps
=2ab - 20a -5a +10 -ab - b
= ab - 25a - b + 10