I WILL GIVE YOU PLSS pls help me with 11 and 12

Nathan is raising money for a bike-a-thon. His aunt pledged $10 plus $1.75 for every mile
he bikes. On the day of the bike-a-thon, Nathan biked 10 ¼ miles.
11.Which expression represents the amount of money Nathan will collect from his aunt?
A. 10 + 1.75
B. 10 + 1.75 + 10.25
C. 10 + 1.75(10.25)
D. 11.75(10.25)

12. How much money will Nathan collect from his Aunt?

PLSS SHOW YOUR WORK PLSS

Which expression represents the amount of money Nathan will collect from his aunt? C. 10 + 1.75(10.25)

How much money will Nathan collect from his Aunt? $27.93

Step-by-step explanation:

$10 is the amount of money his aunt will give, $1.75 is the additional amount of money he will be rewarded with each mile he surpasses. 1/4 is equivalent to 0.25 so It would ( 10.25 ).

So the answer to question 11 would be C.10 + 1.75(10.25)

For question 12...

10 + 1.75 x 10.25 = 27.93

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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:

correct answer was 0.5