On a certain hot summer’s day,287 people used the public swimming pool. The daily prices are $1.50 for children and $2.50 for adults. The receipts for admission totaled $482.50.How many children and how many adults swam at the public pool that day

look a the sides they are perpendicular

just needed some points but try socratic

c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2

the answer would be  

a.

3: 1

step-by-step explanation: