The raito of blue marbles to yellow marbles in a jar is 7 to 9. if theres are 28 blue marbles in a jar, how many yellow marbles are there

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

Δabc is dilated by a scale factor of 3 with the origin as the center of dilation to form δa′b′c′. the slope of is -1.2. the length of is p units, the length of is q units, and the length of is r units. the slope of is . the length of is units.

Which strategy is used by public health to reduce the incidence of food poisoning?