Option a) is correct
4 x 7 = 28
Answer:
C is correct
Step-by-step explanation:
To factor:
4x^2 + 12x + 5
(4x^2 + 2x)(10x + 5)
2x(2x + 1) + 5(2x + 1)
Then, take the outside numbers make them their own group:
2x + 5
(2x + 5)(2x + 1)
Therefore, it’s (2x + 1)(2x + 5)
Answer:
x=115
Step-by-step explanation:
Straight angle = 180 degrees...
65 is accounted for so...
180-65=115
115 degrees is your final answer :)