awnser: 42
step by step:
1. find the racio of both
2.multiply the awnsers by 7
3.finally subtract
Answer:
Given expression :
......[1]
Using distributive property: 
[1]⇒ 
Simplify:

Like terms are those terms which are same variables.
Combine like terms: we get;
......[2]

Simplify:
or
we can write equation [2] as;
Combine like terms of x variables;
Therefore, the expressions which are equivalent to the Given expression are:

Y = 7sin(30) = 3.5
_________
(replace the variables) 6(9)-2(5)^2
(simplified) 54-10^2.... 54-100=-46
Answer:
henry statement is true
Step-by-step explanation: