Answer:
y = 3
Step-by-step explanation:
-5y + 8 = -7
subtract 8 from both sides
-5y = -15
now, divide -5 from both sides
y = 3
Answer:
a. the cost of the t-shirt
b. x+12=34
c. x=22
d. t-shirt cost 22$
Answer: v= 56 ft per second
Step-by-step explanation:
Given: A quarterback throws a football to a teammate.
Projectile motion formula is given by :-
, where 
Now, to find v at h=5 and t=3.5, substitute these values in the above equations, we get

A variable is a symbol that’s used in a number. It typically uses a variation of letters such as x,y,etc. for instance 3x=6