Aline marking machine lays down powder to mark two equal four lines on a playing field. if each line for this field measures 320 feet, how many feet of lime powder will be deposited

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?

Prove that the value of the expression 7^8–7^7+7^6 is divisible by 43.

Raymond just got done jumping at super bounce trampoline center. the total cost of his session was $43.25 . he had to pay a $7 entrance fee and $1.25 for every minute he was on the trampoline. write an equation to determine the number of minutes (t) that raymond was on the trampoline.