Its 30 you find the unit rate by 21÷7 which equals 3 then you multipy 3x10 which gives you 30
Answer:
Third and forth.
Step-by-step explanation:
Marks up mean increasing the price.
Answer:
X is 70 degrees
Step-by-step explanation:
In a triangle, all the angles add up to 180.
We can set up an equation:
48+62+x=180
x=180-(48+62)
x=70