What is the value of x² + 11x + 30 = 0

4x+2)(4x+2)(8m-3(8m-3)(2k+6)2k+6)(7+6y)7+6y)(9r-1)(9r-1)​

Determine the specific gravityof the following materials : a) gold (p=19,350 kg/m3)b) platinum (p=21,465 kg/m3)c) silver (p=10,475 kg/m3)d) sand (p=1,515 kg/m3)e) hard rubber (p=1,192 kg/m3)​

Tin cans of beverages are collected for recycling purposes in many places in the philippines junk shops pay php.15.00 for every kilo of tin cans bought from collectors. in tge following table, c is tge cost in peso and n is the number of kilos of tin cans: b. what is the constant of variation? formulate the mathematical equation.c. observe the values of c and n in the table. what happens to the cost c when the number n kilos of paper is doubled? tripled? d. graph the relation.e. how much would 20kilos of tin cans cost if at the end of month, the cost for every kilo of tin cans will increase by 5 pesos? f. what items can be made out of these tin cans? ​