Parker and China work quality control at a sofa factory. Parker inspects a sofa
from the assembly line every 10 minutes.
China inspects every 10th sofa from the
assembly line. One day, Parker inspected
52 sofas and found 1 defective sofa. China
inspected 60 sofas and found 2 defective
sofas. Use this information for questions
11 and 12.

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Raj encoded a secret phrase using matrix multiplication. using a = 1, b = 2, c = 3, and so on, he multiplied the clear text code for each letter by the matrix to get a matrix that represents the encoded text. the matrix representing the encoded text is . what is the secret phrase? determine the location of spaces after you decode the text. yummy is the corn the tomato is red the corn is yummy red is the tomato

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m