90 degree rotation clockwise : (a,b) --> (b,-a)
so... (24,-15) --> (-15,-24) is a 90 degree clockwise rotation
Answer:
25/-1
Step-by-step explanation:
slope equation-> y2-y1/x2-x1
14 - (-11) = 25
-------------
-20 - (-19) = -1
Answer:
10
Step-by-step explanation:
pemdas
please excuse my dear aunt sally
first you 2x4 which is 8 then add 2
Answer:
<em>26.3 units² </em>
Step-by-step explanation:
A = 
+ 
= 4 × 5 = 20
= 
≈ 3.14 × 2 = 6.28
<em>A = 26.3 units²</em>
Answer:
36
Step-by-step explanation:
We can use combinations
9 choose 2 =
9!/(7!*2!) = (9*8)/2 = 36
