Plz help for my test Q1. [2]
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615− (−312) 912+ (−8110)
Q2 [2] By use number line, arrange each of the following in descending order
8, −8, 1012, 5.85, −6.28
5

Q3
Evaluate
(a) {[−25 + (2)3] − [(5)2 + 7)]} × (−5) [2]
(b) 8 ÷ [3 + (−15)] ÷ [(−2) × 4 × (−3)] [2]

Q4
Separate Rational and Irrational numbers from the given numbers 29 , −89, 3��,18,29, −8,27, 0.786787 …,
5

/is used for a fraction 1) if x = 2/3 and y = 3/4, what is the value of (x + y) (x/y) expressed as a common fraction? 2) what is the least positive integer greater than 1 that leaves a remainder of 1 when divided by each of 2, 3, 4, 5, 6, 7, 8, and 9? 3) the ponde family's powerjet pumps 420 gallons of water per hour. at this rate, how many gallons of water will it pump in 45 minutes? 4) kim's insurance company pays 80% of the cost of all prescription medication she purchases in a year beyond the first $250 worth of prescriptions. her prescriptions for this year cost a total of $570. how many dollars of this amounts will kim's insurance company pay?

Ineed to know the answer to this algebra question.

Find the missing dimension! need asap! tiny square is a =3025 in ²