One kilogram of cookies contains about 20 units. The energy value of cookies is 175 calories per 100 grams. How many calories does one cookie have?
a. 85
b. 90
c. 95
d. 100
b. 90
Mathematics
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Write the equation of the axis of symmetry.f(x) = 2x2 + 4x + 6
A. x = 1 B. x = -1 C. x = -4 D. x = 4
Mathematics
Find the equation for the level surface of the function through the given point.f(x, y, z) = 
, (3, 7, 4)
A. 
= 
B. 61
= 63x2y
C. 
= 
D. 
= 
Mathematics
If possible, completely factor the expression. If not possible, answer "none".
?
What will be an ideal response?
Mathematics
Determine if the sequence is geometric. If the sequence is geometric, find the common ratio.-4, -12, -36, -108, -324, . . .
A. no
B. yes, 
C. yes, 3
D. yes, -3
Mathematics