Answer:
Step-by-step explanation:

Using the quadratic formula:

Since the discriminant is negative, -31, there are no real roots

remember a number is least when
Answer:
a= d and b= b
Step-by-step explanation:
circumference falls hand and hand with diameter and radius
a has a circumference of about 301 inches
b is about 62 inches
c is about 75 inches
d is about 314
The answer must be

since the triangular pyramid has 4 faces and each has an area of 30

we should multiply that by 4 , so :