The interval notation for numbers greater than 2 but less than or equal to 20 is (2,20]
Answer:
7
Step-by-step explanation:
30 >or equal to 4x + 2
Solve for x
28 > or equal to 4x
x > or equal to 7
Answer:

Step-by-step explanation:
SOLVE BY SUBSTITUTION:
STEP 1: Replace all occurrences of
with
in each equation.

STEP 2: Solve for
in the first equation.

STEP 3: Replace all occurrences of
with
in each equation.

Answer: 1.9x2.8 + 3.2+2.8 = 14.28
HOPE THIS HELPS