One advantage of a randomized experiment is there are rarely problems due to:. a. social desirability
b. demand characteristics
c. participant reactivity
d. measurement error
e. none of the above

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Ke’ajah has a coupon for 1/3 off the regular price, t, of a tent. which expression represents the price of the tent using the coupon? select the two correct expressions. a. 1/3t b. 2/3t c. t - 1/3 d. t - 2/3 e. t - 1/3t f. t - 2/3t