I think you want to prove that a rectangle is a quadrilateral. You can prove this with definitions. The definition of a quadrilateral is that it is a shape with four sides. Since a rectangle has four sides, that proves that a rectangle is a quadrilateral.
Notice the 7) 1st sequence, and the 8) second one
Answer:67.5
Step-by-step explanation:
5*10=50
5*7=35 35/2=17.5
17.5+50=67.5
Answer:
m=1
Step-by-step explanation:
slope formula is y=mx-b
whenever a variable is by itself, the coefficient is always 1