40. m∠2=148° m∠4=148°
41. ∠2 and ∠5
42. ∠1 and ∠2
43. ∠3 and ∠5
Sorry, I don't know how to do the rest, but I hope this helps!
= 16 + 49 - 3(11) - 4(10)
= 16 + 49 - 33 - 40
= -8
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For the first one a = 2.5. For the second one m = 4. For the third one m = -4
Answer:
Question?
Is the wording: price of "a" dollars, (in italics)?
If so, the equation would be:
0.8a
Otherwise, if "x" represents the regular price, then the equation would be:
0.8x
Step-by-step explanation: