Step-by-step explanation:
26. x²+5x+25/4 = (x + 5/2)²
29. x²/4y²-2/3+4y²/9x² = (x/2y - 2y/3x)²
|2x + y - 3z|
Plug in the values
|-4 + 10 - 9|
= |-3|
= 3
There has to be more to this question then i can help you
Answer:

Joshua can spend up to 3.21 on a card.
Step-by-step explanation:
is the correct equation because Joshua is spending 21.79 on flowers, a certain amount on the card, and the maximum he can spend is 25. That is why you use the less than or equal to sign.
To solve, first subtract 21.79 from both sides to get:
. This means that Joshua can spend up to 3.21 on a card.
Hope it helps!
Answer:
OKAY I WAS STRESSING FOR A QUICK MINUTE THINKING I WAS GETTING SOMETHING WRONG BUT THINK THE ANSWER IS CORRECT
So Cos0= 15/64 (SIMPLIFIED) or in decimal form 0.234375
Step-by-step explanation:
7/8² is 49/64 or (in decimal form) 0.765625
1 - 0.765625 = 0.234375