15 x 25 = 375
15 x 50 = 750
375 + 750 = 1,125
She has 1,125 books.
Step-by-step explanation:


Answer:what ever x equals times 3
Step-by-step explanation:
Answer:
the perimeter of 2cm 4cm 4cm and 8cm is 18...the area is 256
Step-by-step explanation:
Foil the equation; j*k, j*-5, 7*k, 7*-5, once you foil add like terms.
jk - 5j +7k - 35 is the final answer