Two people taking the test are chosen at random. what is the probability that at least one of them scores more than 500 points?

Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).

If a is a nonzero real number then the reciprocal of a is

In the field of thermodynamics, rankine is the unit used to measure temperature. one can convert temperature from celsius into rankine using the formula , what is the temperature in celsius corresponding to r degrees rankine? a. 9/5(c - 273) b. 9/5(c + 273) c. 5/9( c - 273) d. 5/9( c + 273)