Alma tiene que entregar cierto número de resúmenes y cuestionarios para obtener 30 puntos de calificación, si entrega 2 resúmenes y 5 cuestionarios obtiene una calificación de 15 puntos y si entrega 4 resúmenes y 1 cuestionario obtiene 21 puntos. ¿Cuál es el porcentaje de cada resumen?

John bought 5 lemons and used 2 of them for a salad how much did he use for.a salad . he used % of the lemons.

Aclothing store has the sign shown in the shop window. pani sees the sign and wants to buy 3 shirts and 2 pairs of jeans. the cost of each shirt before the discount is $12, and the cost of each pair of jeans is $19 before the discount. write and simplify an expression to find the amount pani pays if a $3 discount is applied to her total

Urgent need asap △abc is similar to △xyz. also, side ab measures 6 cm, side bc measures 18 cm, and side xy measures 12 cm. what is the measure of side yz ? enter your answer in the box.