1. for which value of x is the expression log base 4 of (x+3) not defined?
a. 0
b. -2
c. 3
d. -4
2. if log 7= a, what is the value of log 490 in terms of a?
3. for what value of k will the graph of y=log base 7 of x contain the point (1,k)?

Which fraction below is equivalent to 10/12?

In the figure below, segment ac is congruent to segment ab: triangle abc with a segment joining vertex a to point d on side bc. side ab is congruent to side ac which statement is used to prove that angle abd is congruent to angle acd? segment ad bisects angle cab. triangle acd is similar to triangle abd. segment ad is congruent to segment ac. angle cab is congruent to angle cba.

Which statement describes surface features called maria on the moon