Answer:
4
Step-by-step explanation:
the 4(1) is just multiplication, it is the same as this=4x1. hopefully you know anything x1 is just the same number...
Im not sure what you mean by the * tho. I know that that also means multiplication, but there is no number. (also, remeber=
grouping symbols
exponents
mult/div
sub/add
hope this helps!
1/9
(1/3)/3 = 1/9
180 - 90 - 52 = 38
All angles in a triangle have to add up to 180.
38 + 52 + 90 = 180.