question The area of a circle is 49 49 square units What is its radius

Math

The area of a circle is 49�49π square units. What is its radius?

A. 7 units
B. 14 units
C. 21 units
D. 49 units

Area of a circle = �×radius2π×radius2.

If 2�+5=172p+5=17, what is the value of �p?

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

If the base of a triangle is 5 units, and the area is 1515 square units, what is its height?

A. 3 units
B. 5 units
C. 6 units
D. 10 units

Express 3:5 as a ratio in its simplest form.

A. 0.043055555556
B. 0.085416666667
C. 0.12847222222
D. 0.17013888889

What is the result of 15 + 23?

A. 32
B. 38
C. 40
D. 48

The perimeter of a regular hexagon is 30 units. What is the length of each side?

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

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

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

If 30% of a number is 45, what is the number?

A. 100
B. 120
C. 150
D. 200

Solve: 35×10753×710

A. 6776
B. 15141415
C. 3773
D. 2332

What is the result of 8×6−328×6−32?

A. 39
B. 40
C. 41
D. 42

What is the missing number in the sequence: 4, 9, 16, __, 36?

A. 20
B. 25
C. 26
D. 30