Translate into symbols.Angle x measures 46° more than angle y.
A. ? x = ? y
B. ? x = ? y - 46°
C. ? y = ? x + 46°
D. ? x = ? y + 46°
Answer: D
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Solve.5x3 + x2 - 5x - 1 = 0
A. -1 , 5
B. 1 , 
C. 1 , -1 , - 
D. 1 , -1
Find the difference.-5 - 11
A. 16 B. 6 C. -16 D. -6
In order to determine the effectiveness of a new vaccine that is alleged to cure "math anxiety," a study was conducted. One thousand volunteer college students enrolled in math courses across the U.S. were chosen. The 1000 students were broken up into two groups. Those enrolled in calculus courses were given the real vaccine. The students in developmental (remedial) math courses were given a fake vaccine consisting of sugared water. None of the students knew whether they were being given the real or the fake vaccine, but the researcher conducting the study knew. At the end of the semester the students were given a test that measured their level of math anxiety. The students in the treatment group showed significantly lower levels of math anxiety than those in the control group. On the
basis of this experiment the vaccine was advertised as being highly effective in fighting math anxiety.This study can best be described as a A. double-blind controlled placebo experiment. B. double-blind randomized controlled experiment. C. blind randomized controlled experiment. D. blind controlled placebo experiment. E. none of these
Write the fraction or mixed number as a percent. If necessary, round the percentage to the nearest tenth.
A. 0.4% B. 4% C. 400% D. 40%