5. A picture measures 40 cm by 50 cm. A 7.5-cm-wide mat goes around the picture. Calculate the area of the mat.

100 points, hi, i’m not sure how to get the equation from the graph and table.

If chord ab is congruent to chord cd, then what must be true about ef and eg?

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?