The actual length of a in the triangle shown is 10cm. Use the scale drawing of the triangle to find the actual length of side b A o.18 cm
B 12.5cm
C16cm
D48.5cm​

Jackie purchased 3 bottles of water and 2 cups of coffee for a family for $7.35. brian bought 4 bottles of water and 1 cup of coffee for his family for $7.15. how much does each bottle of water cost? how much does each cup of coffee cost? i need this done

Simplify the expression 10/11(22z) + (a+5) -1

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?