In a class 22 of students, 10 have a brother and 11 have a sister. There are 4 students who have a brother and a sister. What is the probability that a student chosen randomly from the class has a brother?

A restaurant sells drinks in 3 sizes of cups: small, medium, and large. The small cup costs $.89 and holds 9 ounces. The medium cup costs $1.29 and holds 12 ounces. The large cup costs $1.59 and holds 15 ounces.

Perpendicular lines intersect and form 4 a. right angles. b. acute angles. c. obtuse angles. d. straight angles.

What is the area of a triangle with a = 25, b = 13, and c = 17? a. 99.1 units 2 c. 98.7 units 2 b. 100.5 units 2 d. 102.3 units 2

The length of a rectangle is 1 less than 2 times the width. The area of the rectangle is 45 cm squared. find the length and width.

How can i Simplify the expression 417,000*0.0002 using scientific notation

Identify the two statements that contradict each other: A) Line FA || Line AC B) Line FA and AC are skew C) Line Fa and AC do not intersect

The difference of 9 times a number and 2 is 67. Which equation below can be used to find the unknown number?

We need to substitute these problem you can take first one to understand

Which of the following situations can be represented by the absolute value of 10? Check all that apply. The temperature is 10 degrees below zero. Express this as an integer. Determine the size of Harold's debt if he owes $10.

What is the median for this set of data 37 14 22 45 57 58 61 A) 41 B) 45 C) 46 D) 58