exam Maths Puzzle Numerical Ability

Two friends are 60 mile apart. they decide to ride their bicycles to meet each other. sally starts from the college and heads east, riding at a rate of 21 miles per hour. at the sa

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exam Other Question

The z score for a test statistic is 1.00. What is the associated p-value for a hypothesis test at the 0.05 significance level?
A) .3413
B) .1587
C) .0500
D) None of the above I am to use interval notation for the solution set:

Please help

3x+9=3(x-3)

Here is another one:
3x<9 and 2x+1>3

Thanks, lackinmath