Can someone please help me do this equation!❤️

Step-by-step explanation:

For parking, they spent 5$

For student ticket, they spent 8$ (as only Bella is student)

For Non-student ticket, they spent (16*3 = 48$) (as two parents i.e. Mom and Dad plus a grandmother)

Together they spent=

5$+8$+48$

= 61$

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option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).