Integers — Maths STD 7 — Question

Evaluate:
(-48) + (-36)

Divide:
76 by -19

Using brackets, write a mathematical expression for of the following:Twelve divided by nthe sum of one and three.

Which of the following statements are true and which of them are false?
If the hypotenuse and an acute angle of a right triangle are equal to the hypotenuse and the corresponding acute angle of another right triangle then the triangles are congruent.

Solve :78 ÷ 65

Fill in the blank with the correct word/ symbol to make it a true statement:
A triangle has ________ parts.

Find the product:
0.08 × 100

The final marks in mathematics of 30 students are as follows:
53, 61, 48, 60, 78, 68, 55, 100, 67, 90
75, 88, 77, 37, 84, 58, 60, 48, 62, 56
44, 58, 52, 64, 98, 59, 70, 39, 50, 60
Which observations between 50 and 60 have not actually appealed?

Multiply:
-28 by -1