A group of forest rangers works 5 days per week. It took them 4 days to plant trees on 1/2 acre. What is the unit rate in acres per week?

4 packs of water and 7 packs of candy bars

step-by-step explanation:

35x4=140

140/20=7

dilation scale factor 2: starting with δabc, draw the dilation image of the triangle with a center at the origin and a scale factor of two. notice that every coordinate of the original triangle has been multiplied by the scale factor (x2). dilation with scale factor 2, multiply by 2.

-3.5 degrees per hour

step-by-step explanation:

find the unit rate:

-12   1/4 degrees           12.25 degrees

= - = -3.5 degrees per hour

      3   1/2 hours               3.5 hours