If the r-value, or correlation coefficient, of a data set is negative, the coefficient of determination is positive.

a. true
b. false

answer: plz mark me brainliest

7 hours, 0 minutes, 0 seconds

or:  

0.04

total weeks

or:  

0.29

total days

or:  

7.00

total hours

or:  

420.00

total minutes

or:  

25,200.00

total seconds

step-by-step explanation:

1k

step-by-step explanation:

-6k+7k

(-6+7)k

1k

a.for lorena 14 hours makes $126   for 16 hours she makes 144

for julie 6 hours makes $72 for 21 hours its $252

b. julie makes more money than lorena julie makes $12 an hour and lorena makes $9  

.

okay, what do you want us to do?

anyway, the cost of labor per hour for repair shop b is $50 per hour.

the repair bill for your car at repair shop b is $553

the parts for repair shop b cost is   $497.07

step-by-step explanation: