Answer:
<h3>-10a² + 5a</h3>
Step-by-step explanation:
Given the expression (–5a)(2a – 1)
Open the bracket
(–5a)(2a – 1)
= -5a(2a) -5a(-1)
= -10a² + 5a
<em>hence the equivalent expression is -10a² + 5a</em>
Answer: Tia payed .15 more
Step-by-step explanation:
Divide the Money amount by the number of juice boxs and then subtract
Answer:

Step by step
Remember, a reference angle is a positive acute angle that represents an angle θ of any measurement.
a)
, then its reference angle is 
b)
is in the second cuadrant, then its reference angle is 
c)
, then it is in the first cuadrant and the reference angle is
.
d)
and it is in the third cuadrant, then its reference angle is 
Answer:
2 and 1/4
Step-by-step explanation:
3/4 + b = 3
rearrange the equation
3 - 3/4 = b
3/1 - 3/4 = 14/4 - 3/4 = 11/4 = 2 and 1/4