Margo estimated 188/5 to be between 30 and 40 which basic facts did she use to help her estimate? Mark all that apply A:10/5

B:15/5

C:20/5

D:25/5

If 1.4% of the mass of a human body is calcium, how many kilograms of calcium are there in a 165-pound man? 1.0 kg ca 5.1 kg ca 1.0 x 102 kg ca 5.1 x 102 kg ca

The points (1, 7) and (0, 2) fall on a particular line. what is its equation in slope-intercept form?

The half-life of a certain material is 0.002 second. approximately how much of a 14-gram sample will be left after 0.004 second? a. 12 grams b. 3.5 grams c. 0.06 gram d. 7 grams