Answer: y=1.5
Step-by-step explanation: Isolate the variable by dividing each side by factors that don’t contain the variable.
Answer:

Step-by-step explanation:
way_1:
according to the condition the probability for the 1st computer is 8/10=4/5;
for the 2d computer is 7/9. Then the final probability is P=4/5 * 7/9=28/45;
way_2:
the required probability can be calculated according the formula:

then

Answer:
6x
Step-by-step explanation:
3*2x=6x
Answer:
at least 30
Step-by-step explanation:
The height of the plant it 63 yards 5 inches and 5