There are 7 days in 1 week. how many days are there in 10 weeks

Consider that lines b and c are parallel. what is the value of x? what is the measure of the smaller angle?

Using only the digits 5, 6, 7, 8, how many different three digit numbers can be formed if no digit is repeated in a number?

4. bob solved the inequality problem below incorrectly. explain his error and redo the problem showing the correct answer. ? 2x + 5 < 17 ? 2x + 5-5 < 17-5 -2x/-2 < 12/-2 x < -6