You have 4 retangles with the numbers 500 150 20 and 6 in individual boxes what numbers are being multiplied

answer: for each 3 girls there is 2 boys . 3: 2

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4a. is 3 miles every hour

4b. is 1/3 of an hour per mile

step-by-step explanation:

center (1,3) with radius 6

step-by-step explanation:

we must complete the square to find the center and radius of the circle.

first make sure the x and y squared terms have 1 as their coefficients. we also make sure x and y terms together.

we now create space between the x and y terms with parenthesis.

we complete the square by taking the middle terms -2x and the -6y - divide each and square them.

we add the squares to both sides.

simplify.

and write the quadratics in factored form.

the center is (h,k) or (1,3). the radius is the square root of 36 which is 6.