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45 per 10

Step-by-step explanation:

This is a fraction equal to

4 5 ÷ 1 10

We want a unit rate where

1 is in the denominator,

so we divide top and bottom by 1

4 5÷ 1

1 10÷ 1

=

4 5

1 10

=

4 5

10

= 4 5 per 10

Step-by-step explanation:

20 mph

there are many solutions.

step-by-step explanation:

step 1: simplify both sides of the equation.

4x+6=4x^2+10x−4

step 2: subtract 4x^2+10x-4 from both sides.

4x+6−(4x^2+10x−4)=4x^2+10x−4−(4x^2+10x−4)

−4x^2−6x+10=0

step 3: factor left side of equation.

−2(2x+5)(x−1)=0

step 4: set factors equal to 0.

x=-5/2 or x=1