Answer:
1
Step-by-step explanation:
We can use the slope formula
m = ( y2-y1)/(x2-x1)
= ( 4-2)/(1 - -1)
= (4-2)/(1+1)
= 2/2
= 1
Answer:
-21
Step-by-step explanation:
after -22 there comes-21 so successor of-22 is -21
Answer:
131.88cm
Step-by-step explanation:
Implement the formula for circumference of a circle:
2×pi(3.14)×r, r= 21cm and pi is given as 3.14. Substitute your given values into the formula above:
2 × 3.14 × 21= 131.88cm to the nearest hundreth
Answer: 
Step-by-step explanation:
You are ending by proving
and
are supplementary, so right before that, you need to prove their measures add to 180 degrees.
3/10, 30%, 0.3
because 3/10 basically means 3 out of 10. that's 30%. 0.3 is just 3/10 in decimal form.