Tell which number is prime: 15, 23, 45, 51

What are the x-coordinates of the ordered pairs (1,8) and (4,3)

only a male cricket chirps. The trip at different rates depending on the species and the temperature of their environment. Suppose a certain species is currently chirping at a rate of 90 trips per minute.

The length of a rectangle is three times it's width. If the perimeter of the rectangle is 64, find its length and width

Bicycle started writing at 8 AM the diagram below shows the distance the bicycle had traveled at different times what was the bicycles average rate of speed in miles per hour

Identify the sampling technique used. At a local community college, five statistics classes are randomly selected out of 20 and all of the students from each class are interviewed. A) cluster B) stratified C) systematic D) random E) convenience

Lenora is a college student with a student loan of $7,500. Her tuition is $3,200 per year. She owns $470 worth of text books and a has a laptop computer worth $950. She also has a meal plan at school for which she pays $250 per month.

Solve the linear system of equations using addition. Graph the equations to verify your solution. - 4x=y+3 y = - 4 x - 3

Each costume needs 46 cm oc red ribbon and 3 times as much in yellow ribbon. What is thevtotal length of ribbon needed for 64 costumes? Ecpress yohr answer in meters.

Choose all the factors of 12. (Check all that apply.) 1 2 3 4 5 6 7 8 9 10 11 12

How do you show work for this problem? Bananas are $ 0.59/pound a. What is the constant of proportionality? b. How much does 25 pounds of bananas cost?