Find a ⋅ b. a = <2, 4>, b = <2, 5>

A: <4, 9>
B: 24
C: <4, 20>
D: 16

Use the function value to find the indicated trigonometric value in the specified quadrant.function value quadrant trigonometric valuecsc(θ) = −4 iv cot(θ)cot(θ)=?

How many different ways can you make change for $.50 using only nickels,dimes, and quarters?

Which equation represents a circle with a center at (–3, –5) and a radius of 6 units? (x – 3)2 + (y – 5)2 = 6 (x – 3)2 + (y – 5)2 = 36 (x + 3)2 + (y + 5)2 = 6 (x + 3)2 + (y + 5)2 = 36