The number of calories in a piece of cake is 20 less than 3 times the number in a scoop of ice cream. The cake and ice cream together have 620 calories. how many calories are in each

Ice Cream is 155 calories

Cake is 445 calories

Step-by-step explanation:

Step 1:  Make an equation

3c - 20 = p

p + c = 500

Step 2:  Solve the system of equations

p = 3c - 20

3c - 20 + c = 620

4c - 20 + 20 = 620 + 20

4c / 4 = 620 / 4

c = 155

p = 3(155) - 20

p = 465 - 20

p = 445

Ice Cream is 155 calories

Cake is 445 calories

b

step-by-step explanation:

given

- 2 (3x + 12y - 5 - 17x - 16y + 4 )

simplify the parenthesis by collecting like terms

= - 2 (- 14x - 4y - 1) ← distribute the parenthesis by - 2

= 28x + 8y + 2 → b

option a.

step-by-step explanation:

if you look closely at the graph, we can notice that the function is not defined at two different points.

if you look at functions b and c, you will notice that both functions are not defined at just one point. the function b is not defined at x= -5/2 and function c is not defined at x=-5. both options are discarded, given that our function should not be defined at two fiferent points.

now, if you look closely at the graph you will notice that the function sketched is not defined at x=5 and x=-2.