-2(-x-1)-(x+9)
= -2x + 2 - x - 9
Rearrange
= -2x - x + 2 - 9
= -3x - 7
Answer:1375
Step-by-step explanation:
X= 15 is given
X squared is 15x15 = 225
1600 - 225= 1375
Answer:
D
Multiply the circumference by the diameter which is D