Mr. Hou put students names in a hat and selected file names without looking. What type of sample did he preform?

A) Simple random sample

B) Systematic random sample

C) Voluntary response sample

D) Convenience sample

What is (-x+3) - (x-5)

Figure A is dilated with scale factor r = 3 to create figure A'. Figure A Figure A Part A Select the phrase that correctly completes the sentence. The side lengths of figure A' are the side lengths of figure A.

What's the estimate for 429x5

If a researcher wanted to describe the relationship between women's age and frequency of performing breast self-examination, the study would be classified as: Group of answer choices a. Quasi-experimental b. Longitudinal c. Experimental d.

Parallelogram with sides of 40 cm and 75 cm

The length of an engine bolt for a lawnmower is 2.675 centimeters. The length of an engine bolt for another lawnmower is 2.5848 centimeters. What is the difference between the lengths of these two bolts? A. 0.091 centimeters B. 0.0908 centimeters C.

Use a cofunction identity to write an equivalent expression: sin (pi/6 - theta)

A restaurant uses 6 1/2 pounds coffee per day. How many grams the do they use each day?

The vertices of a triangle are A (0, 0), B (3, 8), and C (9, 0). What is the area of this triangle?

1/9x1 greater than or less than