What does it mean when the null space is 0?

Is 51 prime or composite. Explain

17=x+4 what's the answer

Two histograms showing the number of pets owned by boys and girls in a science class are each skewed left. which measure of variability should be used to describe the data? (a) mean (b) median (c) standard deviation (d) interquartile range

A camera is on sale at 42% off the usual price. The amount of the discount is $126.00. What was the original price of the camera?

The domain of a radical function is the set of all x for which the radicand is positive. True or false?

Tony wants to purchase a baseball glove for $14.96, a baseball bat for $19.87, and a baseball for $5.37. He figured out that he will need $40.20 to purchase the three items. Estimate the cost of the three items.

Find the sum of the measures of the exterior angles of a 41-gon.

What is 9 minus 3 and 3 fifths?

A 9 gram sample of a substance that's used for drug research has a K value of 0.1459 Find the substances half-life in days, and round answer to the nearest ten. (exponential decay)

What is the value of 2 (x+x) - 2?