question If 5 3 285q 3 28 what is the value of q

Math

If 5�+3=285q+3=28, what is the value of �q?

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

Subtract 3 from both sides and then divide by 5.

What is the sum of the first 15 positive integers?

A. 90
B. 105
C. 120
D. 135

Solve for �x: 35(10−�)=653(10−x)=6

A. �=4x=4
B. �=5x=5
C. �=6x=6
D. �=8x=8

If a circle has a diameter of 10 units, what is its radius?

A. 5 units
B. 7 units
C. 10 units
D. 20 units

What is the volume of a cube with a side length of 3 units?

A. 9 cubic units
B. 18 cubic units
C. 27 cubic units
D. 36 cubic units

If 5�−3=225e−3=22, what is the value of �e?

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

What is the area of a circle with a radius of 9 units?

A. 18�18π square units
B. 27�27π square units
C. 36�36π square units
D. 81�81π square units

If 3�+6=213k+6=21, what is the value of �k?

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

What is the sum of the interior angles of a pentagon?

A. 90∘90∘
B. 180∘180∘
C. 360∘360∘
D. 540∘540∘

If the base of a triangle is 6 units and its height is 8 units, what is its area?

A. 12 square units
B. 24 square units
C. 30 square units
D. 48 square units

What is the measure of each interior angle of a regular octagon?

A. 45∘45∘
B. 90∘90∘
C. 135∘135∘
D. 160∘160∘