Z
4
+11z
2
+28
3z
6
+21z
4


=start fraction, 3, z, start superscript, 6, end superscript, plus, 21, z, start superscript, 4, end superscript, divided by, z, start superscript, 4, end superscript, plus, 11, z, squared, plus, 28, end fraction, equals
which real values of zzz make the expression undefined?

3-12. write each answer with a reasonable number of figures. find the absolute uncertainty and percent relative uncertainty for each answer. (a) [12.41 (±0.09) + 4.16 (±0.01)] x 7.068 2 (±0.000 4) =? (b) [3.26 (±0.10) x 8.47 (±0.05)] - 0.18 (±0.06) =? (c) 6.843 (±0.008) x 104 + [2.09 (±0.04)- 1.63 (±0.01)] =?

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply

What is the length of the midsegment of a trapezoid with bases of length 15 and 25 ?