From the 30 pictures, I have of my daughter's first birthday; my digital picture frame will only hold three at a time.
a) How many different groups of three pictures can I put on the frame?
b) How many different groups if I wanted to fill the first three places with my favorite,
best smile and best smashing of the cake?

45

step-by-step explanation:

smple

add an image

step-by-step explanation:

step-by-step explanation:

6.48/4 4 goes into 6.48 1.62 times

answer: bearing in mind that a rectangle has a perimeter of length + length + width + width.

step-by-step explanation:

p = perimeter

l = length

x=width

p = 2l + 2x

p = 2(l+x)     < ==== perimeter of the base of the box.