What number goes in the blank to make this number sentence true?

75+35+78=35+78+_____

a) 35
b) 78
c) 113
d) 75

Two sides of a scalene triangle measure 3 units and 7 units. Which of the following measurements, in units, completes the triangle?

a) 3
b) 7
c) 8
d) 0

rectangle has an area of 225 square feet. How wide is the rectangle if it is 25 feet long?

a) 8 feet
b) 7 feet
c) 9 feet
d) 6 feet

What is length of the line segment with the endpoints of (4,3) and (4, 9)

a) 6
b) 4
c) 13
d) 5

What is the next number in the pattern?

22, 15, 8, 1, -6, _____

a) 13
b) 0
c) -13
d) 6