question If 6 9y 6 9 what is the value of y

If 3�+4=193f+4=19, what is the value of �f?

A. 3
B. 5
C. 6
D. 7

If �÷4=5b÷4=5, what is the value of �b?

A. 15
B. 16
C. 18
D. 20

Solve for �x: 34(12−�)=643(12−x)=6

A. �=3x=3
B. �=4x=4
C. �=6x=6
D. �=9x=9

If �2=64x2=64, what is the value of �x?

A. 6
B. 8
C. 10
D. 12

If �×3=21k×3=21, what is the value of �k?

A. 5
B. 6
C. 7
D. 8

The average of three numbers is 15. If two of the numbers are 12 and 18, what is the third number?

A. 14
B. 15
C. 16
D. 17

Solve for �x: 49(18−�)=894(18−x)=8

A. �=3x=3
B. �=6x=6
C. �=9x=9
D. �=12x=12

If 2�+6=182x+6=18, what is the value of �x?

A. 6
B. 7
C. 8
D. 9

The volume of a rectangular prism is 6060 cubic units, and its dimensions are 3×4×53×4×5. What is its surface area?

A. 94 square units
B. 104 square units
C. 114 square units
D. 124 square units

What is the sum of the angles in a rectangle?

A. 90∘90∘
B. 180∘180∘
C. 270∘270∘
D. 360∘360∘