If one zero of the quadratic polynomial x²+3x+k is 2, then the value of k is. [ ] a) 10
b)-10
c)5
d)-5

There are several unique characteristics of qualitative research that make it distinct from quantitative research. describe the aspects of qualitative research and the elements of design that contribute to the rigor of the work. what actions of the researcher can compromise the integrity of the findings?

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

Evaluate 5 + 6 · 2 – 8 ÷ 4 + 7 using the correct order of operations. a. 22 b. 11 c. 27 d. 5