Answer:
15 degrees
Step-by-step explanation:
Since ABD is a right angle it equals 90 degrees
ABC is 75 degrees
ABC + CBD = ABD
75 + CDB = 90
Subtract 75 from each side
75-75 + CDB = 90-75
CDB = 15
The other angle is 15 degrees
Answer:
F(a) =2a^2+4a+5
Step-by-step explanation:
just put x= a
X -14 +14={3+14}
×=17
answer is 17 .
32(40-4)
32*40 - 32*4
1,280 - 128=
1,152
therefor
32*36= 1,152