LMNO is a parallelogram. If NM = x + 30 ana UL = 4x + 9 find the value of x and then find NM and
OL.
0
N
L
M
a
x = 9, NM = 37, OL = 39
b. x = 7, NM = 39, OL = 37
x = 7, NM = 37, OL = 37
d. x=9, NM = 39, OL = 39
C.

Ametalworker has a metal alloy that is 30? % copper and another alloy that is 55? % copper. how many kilograms of each alloy should the metalworker combine to create 90 kg of a 50? % copper? alloy?

Using the quadratic formula find the zeros of the given polynomial -5x^2+3x-11

Graph the line that represents a proportional relationship between d and t with the property that an increase of 33 units in t corresponds to an increase of 44 units in d. what is the unit rate of change of dd with respect to t? (that is, a change of 11 unit in t will correspond to a change of how many units in d? )