Suzy was told that the diameter of a circle was 6.2 cm. She solved the area to be 15.54 cm2. Is this correct? Why or why not? Explain

This is different from the first one can someone me

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.

Jose predicted that he would sell 48 umbrellas. he actually sold 72 umbrellas. what are the values of a and b in the table below? round to the nearest tenth if necessary