There are 5 different french books and 5 different spanish books. how many ways are there to arrange them on a shelf if

a) books of the same language must be grouped together, french on the left, spanish on the right?
b) french and spanish books must alternate in the grouping, beginning with a french book?

Points d and e are midpoints of the sides of triangle abc. the perimeter of the triangle is 48 units. what is the value of t? ο ο ο ο 7t +

9. (y^-5)^10y^10 a. y^-60 b. y^60 c. y^-150 d. y^150 find the simplified form of each expression. 10. (4/7^5)^2 a.8/14^10 b.16/49^25 c.16/49y^10 d.8/14y^25 11. determine if the number 3.43 times 10^-6 is written in scientific notation. if not, explain. a. yes; the number is written scientific notation. b. no; the first factor is not a number between 1 and 10. c. no; it is not written as a number times a power of 10

Which graph represents the given linear function 4x+2y=3