The greatest common factor is 3 I'm pretty sure.
Answer:
b
Step-by-step explanation:
because we can not some times change the places in addition so b is the correct answer
Answer:
3x +45°=180° (due to straight angle)
or, 3x= 180°-45°
or,3x= 135°
or,X=135°/3
X =45°.ans
Step-by-step explanation:
first say the $5 weekly to be =y
next form a simultaneously equation
$5+y= $70
$10+y=30
=$-5=40
40÷5
=8weeks