The math department is putting together an order for new calculators. The students are asked what model and color they prefer.
Model A1 Model B2 Model C3 Total
Black 0.05
0.10
0.20
0.35
White 0.40
0.15
0.10
0.65
Total
0.45
0.25
0.30
1.00
Which statement about the students' preferences is true?
A. The fewest students prefer black Model A1 calculators.
B. More students prefer black Model C3 calculators than white
Model A1 calculators.
C. More students prefer black calculators than white calculators.
D. More students prefer Model C3 calculators than Model A1
calculators

step-by-step explanation: s

given : the shape of his satellite can be modeled by   where x and y are modeled in inches.

now,the given equation   is a equation of parabola.

here, coefficient of x is positive, hence the parabola opens rightwards.

on comparing this equation with standard equation , we get

in standard equation, coordinates of focus=(0,m)

thus for given equation coordinates of focus=(0,1.5)

step-by-step explanation:

use distributive property on all like terms and change your signs if you have a double negative or if you have positive/negative

divide the numbers

step-by-step explanation: