①expand and simplify
a) 7(x+ 2) + 4(x+5)

11x + 34

Step-by-step explanation:

brackets mean multiplying

so 7x + 14 and 4x + 20

add the like terms together 11x + 34

blue marble is 15 times out of 50 = 15/50 reduces to 3/10

landing on tails is 24 out of 50 = 24/50 reduces to 12/25

to find the probability of both multiply together:

3/10 x 12/25 = 3 x 12 / 10 x 25 = 36/250

if you multiplied the numerator and denominator by 10 you get 360/2500.

the answer is 360/2500

include a picture of the drawing in order for me to

step-by-step explanation: