Clare made an error when solving –40 + 3 < 23 -4x + 3 < 23
-4x < 20
x <-5
Describe the error that she made.

Ageologist had two rocks on a scale that weighed 4.6 kilograms together. rock a was 0.5 of the total weight. how much did rock a weigh?

Find two numbers if their sum is 91 and the ratio is 6: 7?

Meee i honestly dont know what this question talking about