-x^2 + 7 is the simplified expression
Step-by-step explanation:
mean = sum of observation/ no. of observation
mean = 3+5+6+4+7+3+9+8/ 8
<h2>mean = 45/8 = 5.6</h2>
2^2+b^2=12^2
4+b^2=144
144-4=140
√140 = √b
11.83 = b
Answer:
1.42 cm
Step-by-step explanation:
2.5 m = 98.4251 inches
98.4251 in / 11.5 in =8.5587
.5587 inches left over =1.42 cm
Answer:
180-x
Step-by-step explanation:
its 180 degrees because the lines are parallel