question What is the next number in the sequence 7 14 21 28

If 4�+3=154b+3=15, what is the value of �b?

A. 3
B. 4
C. 5
D. 6

Solve for �x: 23�+5=1132x+5=11

A. �=6x=6
B. �=9x=9
C. �=12x=12
D. �=15x=15

In a trapezoid, what is the sum of one pair of opposite angles?

A. 90∘90∘
B. 180∘180∘
C. 360∘360∘
D. It varies

If a triangle has angles of 30∘30∘, 60∘60∘, and 90∘90∘, what is the relationship between the sides?

A. Equilateral
B. Isosceles
C. Scalene
D. Right-angled

If 3443 of a number is 45, what is the number?

A. 30
B. 45
C. 60
D. 80

Solve: 3�−7=143x−7=14

A. �=7x=7
B. �=8x=8
C. �=9x=9
D. �=10x=10

Solve: 23÷4532÷54

A. 5665
B. 815158
C. 10121210
D. 3223

If 3�−2=163c−2=16, what is the value of �c?

A. 4
B. 6
C. 7
D. 8

If 2332 of a number is 30, what is 4554 of that number?

A. 25
B. 35
C. 40
D. 50

What is the product of −3×(−7)−3×(−7)?

A. -10
B. 10
C. -21
D. 21