7. Ed is training for a race. He ran 12.56 miles on one day and 12.98 miles the next day.

47. Окрутлите десятичные дроби: а) 1,\( 58 ; 0,41,5,49 ; 1,037 ; 0,0594 \) до десятых, б) 0,\( 7035 ; 5,795 ; 6,003 ; 1,979 ; 0,006 \) до сотых в) \( 15,721,5,69 ; 141,92 ; 199,05 \) до десятков.

6. Мотоцикпші жолдың \( 1 / 4 \) бөлігін 2 сағ 50 минутта журіп өтсе, толық жолды журіп өтуге қанша сағат жұмсайды? (A) 10 сағ 20 мин (B) 10 сағ 40 мин (C) 11 сағ 20 мин (D) 11 сағ 40 мин

8. The Thomas Jefferson Memorial is on 18.36 acres of land and the Franklin Delano Roosevelt Memorial is on 7.5 acres of land. How many more acres is the Jefferson Memorial than Roosevolt

4) \( 5 y^{2}+5 y=10 \)

In triangle \( P Q R \), the measure of angle \( P \) is \( (3 x+5)^{\circ} \). The measure of angle \( Q \) is \( (2 x+9)^{\circ} \), and the measure of angle \( R \) is \( (4 y+5)^{\circ} \). If side \( Q R \) is extended through point \( R \) to point \( S \), and the measure of angle \( P R S \) is \( (x+y)^{\circ} \). What is the value of \( x+y \) ?