Find the sum of A)(a)137and−354(b)−52and52(c)−312,39and192(d)−50,−200and300 Find the sum of B)(a)(−7)+(−9)+4+16(b)(37)+(−2)+(−65)+(−8)

Give chapter 5 lines and angles own questions for board exams 

Find the following percentage value:

1) 15% of 250.

Find the angle which is equal to its supplement.

Find the breadth of the rectangle whose length is 70 cm and perimeter 200 cm.

Convert 1 gallon into liters.

a. 3.05 liters

b. 3.78 liters

c. 4.05 liters

d. 4.78 liters