What is the angle measure that is a supplementary angle to 21°?

159°

Step-by-step explanation:

A supplementary angle is when two angles add up to be a total of 180°. Subtract to find this.

180 - 21 = 159

Best of Luck!

2 x^2 -3x+p

sum of roots = 3/2

let other root be x

3+ x = 3/2

x= 3/2 - 3 = -3/2

product of roots = p/2

3× -3/2 = p/2

-9 = p

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answer: options

step-by-step explanation: