The expressions in which the numbers, or variables, or both, are connected by operational signs (+, - etc.) are called algebraic expressions. For example 5, 4x, a+b, x−y.
Total units would be: 4+7 = 11
value of 1 unit = 44/11 = 4
Ratio would be: 4(4) & 7(4) = 16 & 28
An acute angle is any angle that is below 90 degrees, so 89 degrees is an ancute angle
The answer is d i hope this helps even though you prob wont look
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Answer:
2x
Step-by-step explanation: