Answer:
y=-50x-20
Step-by-step explanation:
Answer:
100
Step-by-step explanation:
4 spirals for 1 student. 4 x 25 to get the total number, and that equals 100
Answer:

Step-by-step explanation:

Attached is your solution: simply set up the box as shown, then find the product of each in individual square in the box. The solution is the sum of the products... Note that when multiplying two binomials, you'll have like terms on one diagonal.
Hope this helps.. let me know if you have questions.